| Overview | Group | Index | Concepts |
| Macro Summary | |
|---|---|
| CPXERR_ABORT_STRONGBRANCH | 1263 Strong branching aborted. |
| CPXERR_ADJ_SIGN_QUAD | 1606 Lines %d,%d: Adjacent sign and quadratic character. |
| CPXERR_ADJ_SIGN_SENSE | 1604 Lines %d,%d: Adjacent sign and sense. |
| CPXERR_ADJ_SIGNS | 1602 Lines %d,%d: Adjacent signs. |
| CPXERR_ALGNOTLICENSED | 32024 Licensing problem: Optimization algorithm not licensed. |
| CPXERR_ARC_INDEX_RANGE | 1231 Arc index %d out of range. |
| CPXERR_ARRAY_BAD_SOS_TYPE | 3009 Illegal sostype entry %d. |
| CPXERR_ARRAY_NOT_ASCENDING | 1226 Array entry %d not ascending. |
| CPXERR_ARRAY_TOO_LONG | 1208 Array length too long. |
| CPXERR_BAD_ARGUMENT | 1003 Bad argument to Callable Library routine. |
| CPXERR_BAD_BOUND_SENSE | 1622 Line %d: Invalid bound sense. |
| CPXERR_BAD_BOUND_TYPE | 1457 Line %d: Unrecognized bound type '%s'. |
| CPXERR_BAD_CHAR | 1537 Illegal character. |
| CPXERR_BAD_CTYPE | 3021 Illegal ctype entry %d. |
| CPXERR_BAD_DIRECTION | 3012 Line %d: Unrecognized direction '%c%c'. |
| CPXERR_BAD_EXPO_RANGE | 1435 Line %d: Exponent '%s' out of range. |
| CPXERR_BAD_EXPONENT | 1618 Line %d: Exponent '%s' not %s with number. |
| CPXERR_BAD_FILETYPE | 1424 Invalid filetype. |
| CPXERR_BAD_ID | 1617 Line %d: '%s' not valid identifier. |
| CPXERR_BAD_INDCONSTR | 1439 Line %d: Illegal indicator constraint. |
| CPXERR_BAD_INDICATOR | 1551 Line %d: Unrecognized basis marker '%s'. |
| CPXERR_BAD_LAZY_UCUT | 1438 Line %d: Illegal lazy constraint or user cut. |
| CPXERR_BAD_LUB | 1229 Illegal bound change specified by entry %d. |
| CPXERR_BAD_METHOD | 1292 Invalid choice of optimization method. |
| CPXERR_BAD_NUMBER | 1434 Line %d: Couldn't convert '%s' to a number. |
| CPXERR_BAD_OBJ_SENSE | 1487 Line %d: Unrecognized objective sense '%s'. |
| CPXERR_BAD_PARAM_NAME | 1028 Bad parameter name to CPLEX parameter routine. |
| CPXERR_BAD_PARAM_NUM | 1013 Bad parameter number to CPLEX parameter routine. |
| CPXERR_BAD_PIVOT | 1267 Illegal pivot. |
| CPXERR_BAD_PRIORITY | 3006 Negative priority entry %d. |
| CPXERR_BAD_PROB_TYPE | 1022 Unknown problem type. Problem not changed. |
| CPXERR_BAD_ROW_ID | 1532 Incorrect row identifier. |
| CPXERR_BAD_SECTION_BOUNDS | 1473 Line %d: Unrecognized section marker. Expecting RANGES, BOUNDS, QMATRIX, or ENDATA. |
| CPXERR_BAD_SECTION_ENDATA | 1462 Line %d: Unrecognized section marker. Expecting ENDATA. |
| CPXERR_BAD_SECTION_QMATRIX | 1475 Line %d: Unrecognized section marker. Expecting QMATRIX or ENDATA. |
| CPXERR_BAD_SENSE | 1215 Illegal sense entry %d. |
| CPXERR_BAD_SOS_TYPE | 1442 Line %d: Unrecognized SOS type: %c%c. |
| CPXERR_BAD_STATUS | 1253 Invalid status entry %d for basis specification. |
| CPXERR_BADPRODUCT | 32023 Licensing problem: License not valid for this product. |
| CPXERR_BAS_FILE_SHORT | 1550 Basis missing some basic variables. |
| CPXERR_BAS_FILE_SIZE | 1555 %d %s basic variable(s). |
| CPXERR_CALLBACK | 1006 Error during callback. |
| CPXERR_CANT_CLOSE_CHILD | 1021 Cannot close a child environment. |
| CPXERR_CHILD_OF_CHILD | 1019 Cannot clone a cloned environment. |
| CPXERR_COL_INDEX_RANGE | 1201 Column index %d out of range. |
| CPXERR_COL_REPEAT_PRINT | 1478 %d Column repeats messages not printed. |
| CPXERR_COL_REPEATS | 1446 Column '%s' repeats. |
| CPXERR_COL_ROW_REPEATS | 1443 Column '%s' has repeated row '%s'. |
| CPXERR_COL_UNKNOWN | 1449 Line %d: '%s' is not a column name. |
| CPXERR_CONFLICT_UNSTABLE | 1720 Infeasibility not reproduced. |
| CPXERR_COUNT_OVERLAP | 1228 Count entry %d specifies overlapping entries. |
| CPXERR_COUNT_RANGE | 1227 Count entry %d negative or larger than allowed. |
| CPXERR_DBL_MAX | 1233 Numeric entry %d is larger than allowed maximum of %g. |
| CPXERR_DECOMPRESSION | 1027 Decompression of unpresolved problem failed. |
| CPXERR_DUP_ENTRY | 1222 Duplicate entry or entries. |
| CPXERR_EXTRA_BV_BOUND | 1456 Line %d: 'BV' bound type illegal when prior bound given. |
| CPXERR_EXTRA_FR_BOUND | 1455 Line %d: 'FR' bound type illegal when prior bound given. |
| CPXERR_EXTRA_FX_BOUND | 1454 Line %d: 'FX' bound type illegal when prior bound given. |
| CPXERR_EXTRA_INTEND | 1481 Line %d: 'INTEND' found while not reading integers. |
| CPXERR_EXTRA_INTORG | 1480 Line %d: 'INTORG' found while reading integers. |
| CPXERR_EXTRA_SOSEND | 1483 Line %d: 'SOSEND' found while not reading a SOS. |
| CPXERR_EXTRA_SOSORG | 1482 Line %d: 'SOSORG' found while reading a SOS. |
| CPXERR_FAIL_OPEN_READ | 1423 Could not open file '%s' for reading. |
| CPXERR_FAIL_OPEN_WRITE | 1422 Could not open file '%s' for writing. |
| CPXERR_FILE_ENTRIES | 1553 Line %d: Wrong number of entries. |
| CPXERR_FILE_FORMAT | 1563 File '%s' has an incompatible format. Try setting reverse flag. |
| CPXERR_FILTER_VARIABLE_TYPE | 3414 Diversity filter has non-binary variable(s). |
| CPXERR_ILOG_LICENSE | 32201 ILM Error %d. |
| CPXERR_IN_INFOCALLBACK | 1804 Calling routines not allowed in informational callback. |
| CPXERR_INDEX_NOT_BASIC | 1251 Index must correspond to a basic variable. |
| CPXERR_INDEX_RANGE | 1200 Index is outside range of valid values. |
| CPXERR_INDEX_RANGE_HIGH | 1206 %s: 'end' value %d is greater than %d. |
| CPXERR_INDEX_RANGE_LOW | 1205 %s: 'begin' value %d is less than %d. |
| CPXERR_INT_TOO_BIG | 3018 Magnitude of variable %s: %g exceeds integer limit %d. |
| CPXERR_INT_TOO_BIG_INPUT | 1463 Line %d: Magnitude exceeds integer limit %d. |
| CPXERR_INVALID_NUMBER | 1650 Number not representable in exponential notation. |
| CPXERR_LIMITS_TOO_BIG | 1012 Problem size limits too large. |
| CPXERR_LINE_TOO_LONG | 1465 Line %d: Line longer than limit of %d characters. |
| CPXERR_LO_BOUND_REPEATS | 1459 Line %d: Repeated lower bound. |
| CPXERR_LP_NOT_IN_ENVIRONMENT | 1806 Problem is not member of this environment. |
| CPXERR_MIPSEARCH_WITH_CALLBACKS | 1805 MIP dynamic search incompatible with control callbacks. |
| CPXERR_MISS_SOS_TYPE | 3301 Line %d: Missing SOS type. |
| CPXERR_MSG_NO_CHANNEL | 1051 No channel pointer supplied to message routine. |
| CPXERR_MSG_NO_FILEPTR | 1052 No file pointer found for message routine. |
| CPXERR_MSG_NO_FUNCTION | 1053 No function pointer found for message routine. |
| CPXERR_NAME_CREATION | 1209 Unable to create default names. |
| CPXERR_NAME_NOT_FOUND | 1210 Name not found. |
| CPXERR_NAME_TOO_LONG | 1464 Line %d: Identifier/name too long to process. |
| CPXERR_NAN | 1225 Numeric entry %d is not a double precision number (NAN). |
| CPXERR_NEED_OPT_SOLN | 1252 Optimal solution required. |
| CPXERR_NEGATIVE_SURPLUS | 1207 Insufficient array length. |
| CPXERR_NET_DATA | 1530 Inconsistent network file. |
| CPXERR_NET_FILE_SHORT | 1538 Unexpected end of network file. |
| CPXERR_NO_BARRIER_SOLN | 1223 No barrier solution exists. |
| CPXERR_NO_BASIC_SOLN | 1261 No basic solution exists. |
| CPXERR_NO_BASIS | 1262 No basis exists. |
| CPXERR_NO_BOUND_SENSE | 1621 Line %d: No bound sense. |
| CPXERR_NO_BOUND_TYPE | 1460 Line %d: Bound type missing. |
| CPXERR_NO_COLUMNS_SECTION | 1472 Line %d: No COLUMNS section. |
| CPXERR_NO_CONFLICT | 1719 No conflict is available. |
| CPXERR_NO_DUAL_SOLN | 1232 No dual solution exists. |
| CPXERR_NO_ENDATA | 1552 ENDATA missing. |
| CPXERR_NO_ENVIRONMENT | 1002 No environment. |
| CPXERR_NO_FILENAME | 1421 File name not specified. |
| CPXERR_NO_ID | 1616 Line %d: Expected identifier, found '%c'. |
| CPXERR_NO_ID_FIRST | 1609 Line %d: Expected identifier first. |
| CPXERR_NO_INT_X | 3023 Integer feasible solution values are unavailable. |
| CPXERR_NO_LU_FACTOR | 1258 No LU factorization exists. |
| CPXERR_NO_MEMORY | 1001 Out of memory. |
| CPXERR_NO_MIPSTART | 3020 No MIP start exists. |
| CPXERR_NO_NAME_SECTION | 1441 Line %d: No NAME section. |
| CPXERR_NO_NAMES | 1219 No names exist. |
| CPXERR_NO_NORMS | 1264 No norms available. |
| CPXERR_NO_NUMBER | 1615 Line %d: Expected number, found '%c'. |
| CPXERR_NO_NUMBER_BOUND | 1623 Line %d: Missing bound number. |
| CPXERR_NO_NUMBER_FIRST | 1611 Line %d: Expected number first. |
| CPXERR_NO_OBJ_SENSE | 1436 Max or Min missing. |
| CPXERR_NO_OBJECTIVE | 1476 Line %d: No objective row found. |
| CPXERR_NO_OP_OR_SENSE | 1608 Line %d: Expected '+','-' or sense, found '%c'. |
| CPXERR_NO_OPERATOR | 1607 Line %d: Expected '+' or '-', found '%c'. |
| CPXERR_NO_ORDER | 3016 No priority order exists. |
| CPXERR_NO_PROBLEM | 1009 No problem exists. |
| CPXERR_NO_QMATRIX_SECTION | 1461 Line %d: No QMATRIX section. |
| CPXERR_NO_QP_OPERATOR | 1614 Line %d: Expected ^ or *. |
| CPXERR_NO_QUAD_EXP | 1612 Line %d: Expected quadratic exponent. |
| CPXERR_NO_RHS_COEFF | 1610 Line %d: Expected RHS coefficient. |
| CPXERR_NO_RHS_IN_OBJ | 1211 rhs has no coefficient in obj. |
| CPXERR_NO_RNGVAL | 1216 No range values. |
| CPXERR_NO_ROW_NAME | 1486 Line %d: No row name. |
| CPXERR_NO_ROW_SENSE | 1453 Line %d: No row sense. |
| CPXERR_NO_ROWS_SECTION | 1471 Line %d: No ROWS section. |
| CPXERR_NO_SENSIT | 1260 Sensitivity analysis not available for current status. |
| CPXERR_NO_SOLN | 1217 No solution exists. |
| CPXERR_NO_SOLNPOOL | 3024 No solution pool exists. |
| CPXERR_NO_SOS | 3015 No user-defined SOSs exist. |
| CPXERR_NO_SOS_SEPARATOR | 1627 Expected ':', found '%c'. |
| CPXERR_NO_TREE | 3412 Current problem has no tree. |
| CPXERR_NO_VECTOR_SOLN | 1556 Vector solution does not exist. |
| CPXERR_NODE_INDEX_RANGE | 1230 Node index %d out of range. |
| CPXERR_NODE_ON_DISK | 3504 No callback info on disk/compressed nodes. |
| CPXERR_NOT_DUAL_UNBOUNDED | 1265 Dual unbounded solution required. |
| CPXERR_NOT_FIXED | 1221 Only fixed variables are pivoted out. |
| CPXERR_NOT_FOR_MIP | 1017 Not available for mixed-integer problems. |
| CPXERR_NOT_FOR_QCP | 1031 Not available for QCP. |
| CPXERR_NOT_FOR_QP | 1018 Not available for quadratic programs. |
| CPXERR_NOT_MILPCLASS | 1024 Not a MILP or fixed MILP. |
| CPXERR_NOT_MIN_COST_FLOW | 1531 Not a min-cost flow problem. |
| CPXERR_NOT_MIP | 3003 Not a mixed-integer problem. |
| CPXERR_NOT_MIQPCLASS | 1029 Not a MIQP or fixed MIQP. |
| CPXERR_NOT_ONE_PROBLEM | 1023 Not a single problem. |
| CPXERR_NOT_QP | 5004 Not a quadratic program. |
| CPXERR_NOT_SAV_FILE | 1560 File '%s' is not a SAV file. |
| CPXERR_NOT_UNBOUNDED | 1254 Unbounded solution required. |
| CPXERR_NULL_NAME | 1224 Null pointer %d in name array. |
| CPXERR_NULL_POINTER | 1004 Null pointer for required data. |
| CPXERR_ORDER_BAD_DIRECTION | 3007 Illegal direction entry %d. |
| CPXERR_PARAM_TOO_BIG | 1015 Parameter value too big. |
| CPXERR_PARAM_TOO_SMALL | 1014 Parameter value too small. |
| CPXERR_PRESLV_ABORT | 1106 Aborted during presolve. |
| CPXERR_PRESLV_BAD_PARAM | 1122 Bad presolve parameter setting. |
| CPXERR_PRESLV_BASIS_MEM | 1107 Not enough memory to build basis for original LP. |
| CPXERR_PRESLV_COPYORDER | 1109 Can't copy priority order info from original MIP. |
| CPXERR_PRESLV_COPYSOS | 1108 Can't copy SOS info from original MIP. |
| CPXERR_PRESLV_CRUSHFORM | 1121 Can't crush solution form. |
| CPXERR_PRESLV_DUAL | 1119 The feature is not available for solving dual formulation. |
| CPXERR_PRESLV_FAIL_BASIS | 1114 Could not load unpresolved basis for original LP. |
| CPXERR_PRESLV_INF | 1117 Presolve determines problem is infeasible. |
| CPXERR_PRESLV_INForUNBD | 1101 Presolve determines problem is infeasible or unbounded. |
| CPXERR_PRESLV_NO_BASIS | 1115 Failed to find basis in presolved LP. |
| CPXERR_PRESLV_NO_PROB | 1103 No presolved problem created. |
| CPXERR_PRESLV_SOLN_MIP | 1110 Not enough memory to recover solution for original MIP. |
| CPXERR_PRESLV_SOLN_QP | 1111 Not enough memory to compute solution to original QP. |
| CPXERR_PRESLV_START_LP | 1112 Not enough memory to build start for original LP. |
| CPXERR_PRESLV_TIME_LIM | 1123 Time limit exceeded during presolve. |
| CPXERR_PRESLV_UNBD | 1118 Presolve determines problem is unbounded. |
| CPXERR_PRESLV_UNCRUSHFORM | 1120 Can't uncrush solution form. |
| CPXERR_PRIIND | 1257 Incorrect usage of pricing indicator. |
| CPXERR_PRM_DATA | 1660 Line %d: Not enough entries. |
| CPXERR_PRM_HEADER | 1661 Line %d: Missing or invalid header. |
| CPXERR_PTHREAD_CREATE | 3603 Could not create thread. |
| CPXERR_PTHREAD_MUTEX_INIT | 3601 Could not initialize mutex. |
| CPXERR_Q_DIVISOR | 1619 Line %d: Missing or incorrect divisor for Q terms. |
| CPXERR_Q_DUP_ENTRY | 5011 Duplicate entry for pair '%s' and '%s'. |
| CPXERR_Q_NOT_INDEF | 5014 Q is not indefinite. |
| CPXERR_Q_NOT_POS_DEF | 5002 Q in '%s' is not positive semi-definite. |
| CPXERR_Q_NOT_SYMMETRIC | 5012 Q is not symmetric. |
| CPXERR_QCP_SENSE | 6002 Illegal quadratic constraint sense. |
| CPXERR_QCP_SENSE_FILE | 1437 Line %d: Illegal quadratic constraint sense. |
| CPXERR_QUAD_EXP_NOT_2 | 1613 Line %d: Quadratic exponent must be 2. |
| CPXERR_QUAD_IN_ROW | 1605 Line %d: Illegal quadratic term in a constraint. |
| CPXERR_RANGE_SECTION_ORDER | 1474 Line %d: 'RANGES' section out of order. |
| CPXERR_RESTRICTED_VERSION | 1016 Promotional version. Problem size limits exceeded. |
| CPXERR_RHS_IN_OBJ | 1603 Line %d: RHS sense in objective. |
| CPXERR_RIM_REPEATS | 1447 Line %d: %s '%s' repeats. |
| CPXERR_RIM_ROW_REPEATS | 1444 %s '%s' has repeated row '%s'. |
| CPXERR_RIMNZ_REPEATS | 1479 Line %d: %s %s repeats. |
| CPXERR_ROW_INDEX_RANGE | 1203 Row index %d out of range. |
| CPXERR_ROW_REPEAT_PRINT | 1477 %d Row repeats messages not printed. |
| CPXERR_ROW_REPEATS | 1445 Row '%s' repeats. |
| CPXERR_ROW_UNKNOWN | 1448 Line %d: '%s' is not a row name. |
| CPXERR_SAV_FILE_DATA | 1561 Not enough data in SAV file. |
| CPXERR_SAV_FILE_WRITE | 1562 Unable to write SAV file to disk. |
| CPXERR_SBASE_ILLEGAL | 1554 Superbases are not allowed. |
| CPXERR_SBASE_INCOMPAT | 1255 Incompatible with superbasis. |
| CPXERR_SINGULAR | 1256 Basis singular. |
| CPXERR_STR_PARAM_TOO_LONG | 1026 String parameter is too long. |
| CPXERR_SUBPROB_SOLVE | 3019 Failure to solve MIP subproblem. |
| CPXERR_THREAD_FAILED | 1234 Creation of parallel thread failed. |
| CPXERR_TILIM_CONDITION_NO | 1268 Time limit reached in computing condition number. |
| CPXERR_TILIM_STRONGBRANCH | 1266 Time limit reached in strong branching. |
| CPXERR_TOO_MANY_COEFFS | 1433 Too many coefficients. |
| CPXERR_TOO_MANY_COLS | 1432 Too many columns. |
| CPXERR_TOO_MANY_RIMNZ | 1485 Too many rim nonzeros. |
| CPXERR_TOO_MANY_RIMS | 1484 Too many rim vectors. |
| CPXERR_TOO_MANY_ROWS | 1431 Too many rows. |
| CPXERR_TOO_MANY_THREADS | 1020 Thread limit exceeded. |
| CPXERR_TREE_MEMORY_LIMIT | 3413 Tree memory limit exceeded. |
| CPXERR_UNIQUE_WEIGHTS | 3010 Set does not have unique weights. |
| CPXERR_UNSUPPORTED_CONSTRAINT_TYPE | 1212 Unsupported constraint type was used. |
| CPXERR_UP_BOUND_REPEATS | 1458 Line %d: Repeated upper bound. |
| CPXERR_WORK_FILE_OPEN | 1801 Could not open temporary file. |
| CPXERR_WORK_FILE_READ | 1802 Failure on temporary file read. |
| CPXERR_WORK_FILE_WRITE | 1803 Failure on temporary file write. |
| CPXERR_XMLPARSE | 1425 XML parsing error at line %d: %s. |
Each error code, such as 1616, is associated with a symbolic constant,
such as CPXERR_NO_ID, and a short message string, such as
Line %d: Expected identifier, found '%c'.
In the short message strings, the following symbols occur:
%d means a number, such as a line number
%s means a string, such as a file name, variable name, or other
%c means a character, such as a letter or arithmetic operator
Click the symbolic constant in the table to go to a longer explanation of an error code.