# z/OS system abends Source: https://wndsoftware.com/mainframe-errors/zos-abends ### z/OS system abends Find the meaning, common causes and recovery steps for z/OS system abends. Search a code or message ### All 50 codes - [`S001`I/O error](https://wndsoftware.com/mainframe-errors/s001) - [`S002`Invalid record or block (QSAM or BSAM)](https://wndsoftware.com/mainframe-errors/s002) - [`S013`Data set could not be opened](https://wndsoftware.com/mainframe-errors/s013) - [`S047`Program not APF authorized](https://wndsoftware.com/mainframe-errors/s047) - [`S04E`Db2 abend with a reason code](https://wndsoftware.com/mainframe-errors/s04e) - [`S04F`Db2 subsystem abnormal termination](https://wndsoftware.com/mainframe-errors/s04f) - [`S0C1`Operation exception](https://wndsoftware.com/mainframe-errors/s0c1) - [`S0C2`Privileged operation exception](https://wndsoftware.com/mainframe-errors/s0c2) - [`S0C3`Execute exception](https://wndsoftware.com/mainframe-errors/s0c3) - [`S0C4`Protection exception](https://wndsoftware.com/mainframe-errors/s0c4) - [`S0C5`Addressing exception](https://wndsoftware.com/mainframe-errors/s0c5) - [`S0C6`Specification exception](https://wndsoftware.com/mainframe-errors/s0c6) - [`S0C7`Data exception](https://wndsoftware.com/mainframe-errors/s0c7) - [`S0C8`Fixed-point overflow exception](https://wndsoftware.com/mainframe-errors/s0c8) - [`S0C9`Fixed-point divide exception](https://wndsoftware.com/mainframe-errors/s0c9) - [`S0CA`Decimal overflow exception](https://wndsoftware.com/mainframe-errors/s0ca) - [`S0CB`Decimal divide exception](https://wndsoftware.com/mainframe-errors/s0cb) - [`S0CF`Floating-point divide exception](https://wndsoftware.com/mainframe-errors/s0cf) - [`S0E0`Access register or linkage stack program check](https://wndsoftware.com/mainframe-errors/s0e0) - [`S0F8`SVC issued in an incorrect mode](https://wndsoftware.com/mainframe-errors/s0f8) - [`S106`Program fetch failed](https://wndsoftware.com/mainframe-errors/s106) - [`S122`Cancelled by the operator, with a dump](https://wndsoftware.com/mainframe-errors/s122) - [`S137`Tape end-of-volume error](https://wndsoftware.com/mainframe-errors/s137) - [`S213`Data set not found on the volume](https://wndsoftware.com/mainframe-errors/s213) - [`S222`Cancelled, without a dump](https://wndsoftware.com/mainframe-errors/s222) - [`S237`End-of-volume error](https://wndsoftware.com/mainframe-errors/s237) - [`S322`CPU time limit exceeded](https://wndsoftware.com/mainframe-errors/s322) - [`S337`End of data set reached with no EODAD](https://wndsoftware.com/mainframe-errors/s337) - [`S413`OPEN couldn't get the volume ready](https://wndsoftware.com/mainframe-errors/s413) - [`S437`End-of-volume error, bad DCB or DEB](https://wndsoftware.com/mainframe-errors/s437) - [`S522`Wait time limit exceeded](https://wndsoftware.com/mainframe-errors/s522) - [`S613`Tape label or positioning error at OPEN](https://wndsoftware.com/mainframe-errors/s613) - [`S622`TSO session ended after disconnect](https://wndsoftware.com/mainframe-errors/s622) - [`S706`Program marked not executable](https://wndsoftware.com/mainframe-errors/s706) - [`S713`Unexpired data set on the volume](https://wndsoftware.com/mainframe-errors/s713) - [`S722`Output limit exceeded](https://wndsoftware.com/mainframe-errors/s722) - [`S737`End-of-volume or concatenation error](https://wndsoftware.com/mainframe-errors/s737) - [`S804`Not enough virtual storage (GETMAIN)](https://wndsoftware.com/mainframe-errors/s804) - [`S806`Program not found](https://wndsoftware.com/mainframe-errors/s806) - [`S80A`Not enough virtual storage (R-form GETMAIN)](https://wndsoftware.com/mainframe-errors/s80a) - [`S813`Tape data set name doesn't match the label](https://wndsoftware.com/mainframe-errors/s813) - [`S837`End-of-volume error, often too few volumes](https://wndsoftware.com/mainframe-errors/s837) - [`S878`Not enough virtual storage](https://wndsoftware.com/mainframe-errors/s878) - [`S913`Security access denied](https://wndsoftware.com/mainframe-errors/s913) - [`SA03`Task ended with subtasks still attached](https://wndsoftware.com/mainframe-errors/sa03) - [`SB14`CLOSE couldn't update the PDS directory](https://wndsoftware.com/mainframe-errors/sb14) - [`SB37`Out of space](https://wndsoftware.com/mainframe-errors/sb37) - [`SD37`Primary space full, no secondary](https://wndsoftware.com/mainframe-errors/sd37) - [`SE37`Out of space, no more volumes or extents](https://wndsoftware.com/mainframe-errors/se37) - [`SEC6`z/OS UNIX callable service error or signal](https://wndsoftware.com/mainframe-errors/sec6) ### Working with z/OS abends errors A system abend identifies how a task ended, but the completion code alone rarely establishes the underlying defect. Keep the reason code, failing program, job step and accompanying messages. Use the explanation for your installed z/OS release. [Browse all 494 error codes](https://wndsoftware.com/mainframe-errors/) · [WND Terminal’s offline code hints](https://wndsoftware.com/docs/code-hints) ### Use WND Terminal with your host system WND Software develops WND Terminal Emulator for mainframe, IBM i and UNIX access. For connection and keyboard features, see the [3270 terminal emulator](https://wndsoftware.com/3270-terminal-emulator) or [5250 emulator for IBM i](https://wndsoftware.com/ibm-i). [Explain this screen](https://wndsoftware.com/explain-this-screen) provides screen-specific assistance using the model endpoint and context permitted by IT; the reference article explains the code independently.