| Text | ESY5750 Invalid operand within operand list. | 
| Explanation | Incorrect usage of an Entire System Server view. | 
| Action | No action is required. | 
| Text | ESY5751 Not enough memory to execute the function. | 
| Explanation | There is not enough memory to execute the function. | 
| Action | Check with systems programmer. | 
| Text | ESY5752 Message/Message length missing. | 
| Explanation | 
Possible reasons:  - no message length specified
                   - message length lower than 4
                   - message length greater than 1250 during use
                     of field MESSAGE-ARRAY
                   - message length greater than 250 during use
                     of field MESSAGE-TEXT
                   - no message specified
 | 
| Action | Correct input values and try again. | 
| Text | ESY5753 I-T-C name missing. | 
| Explanation | ITC name must be specified for functions OPEN, RECEIVE and SEND. | 
| Action | Specify ITC name. | 
| Text | ESY5754 not done. | 
| Text | ESY5755 Invalid or no SWITCH type specified. | 
| Explanation | Neither USER nor PROCESS as switch type specified. | 
| Action | Correct switch type. | 
| Text | ESY5756 Job Variable name missing or invalid. | 
| Explanation | Invalid syntax used or no value specified. | 
| Action | Please correct name specification. | 
| Text | ESY5757 Error during user management. | 
| Text | ESY5758 User ID is missing. | 
| Explanation | No user name specified. | 
| Action | Please specify name. | 
| Text | ESY5759 Name is missing. | 
| Text | ESY5760 Processor name is missing. | 
| Text | ESY5761 Start operand is missing. | 
| Text | ESY5762 Line/Station is missing. | 
| Text | ESY5763 Info type operand is missing. | 
| Text | ESY5764 Virtual call is missing. | 
| Text | ESY5765 Required Catalog ID not accessible. | 
| Text | ESY5766 User ID or Terminal ID missing. | 
| Explanation | Neither User ID nor processor-/terminal-name specified. | 
| Action | Please specify requested values. | 
| Text | ESY5767 No TSN found. | 
| Text | ESY5768 Invalid command in macro list. | 
| Text | ESY5769 Short name is missing. | 
| Text | ESY5770 Serialisation name missing. | 
| Text | ESY5771 No information found. | 
| Explanation | No information found for specified request. | 
| Action | No action required. | 
| Text | ESY5772 BS2000 Command has returned error. | 
| Text | ESY5773 New version operand missing. | 
| Text | ESY5774 No core available. | 
| Explanation | Not enough space available to allocate an NPR User Block. | 
| Action | Please contact Software AG. For BS2000 only: The number of NPR User Blocks can be configured with startup parameter NUMUSER. | 
| Text | ESY5775 Invalid Priority Value specified. | 
| Text | ESY5776 Request was cancelled. | 
| Explanation | Request was cancelled internally because user has been timed out. | 
| Text | ESY5777 Request has abended. | 
| Explanation | An internal error occurred. Condensed abend information is contained in the job-log. | 
| Action | Check with the systems programmer. Contact Software AG technical support. | 
| Text | ESY5778 Cannot perform command - not APF authorized. | 
| Explanation | The Entire System Server nucleus is not running APF authorized. | 
| Action | Check with the systems programmer. | 
| Text | ESY5779 IDCAMS utility has abended. | 
| Explanation | The IDCAMS utility has abended. | 
| Action | Check job-log for additional information. | 
| Text | ESY5780 Completion code not ok. | 
| Explanation | The execution of the request was not successful. | 
| Action | Check input data of request. | 
| Text | ESY5781 Unable to obtain storage for work area extension. | 
| Explanation | A request failed to obtain storage for the work area extension. | 
| Action | Increase the region size above 16 MB for Entire System Server. | 
| Text | ESY5782 Error from ... for ..., RC ..., REASON .... | 
| Explanation | A request failed while attempting to read the VTOC. | 
| Action | Contact your systems programmer. | 
| Text | ESY5783 Unable to allocate ..., RC ..., REASON .... | 
| Explanation | The specified volume could not be allocated. | 
| Action | Contact your systems programmer. | 
| Text | ESY5784 Unable to open VTOC on ..., RC .... | 
| Explanation | An OPEN request failed for the VTOC on the specified volume. | 
| Action | Try again. If the problem persists, contact your systems programmer. | 
| Text | ESY5785 CVAF ... failed with RC ... and CVSTAT .... | 
| Explanation | A request failed to the Common VTOC Access Facility. | 
| Action | Contact your systems programmer. | 
| Text | ESY5786 Unable to obtain storage for CSI work area. | 
| Explanation | A request failed to obtain storage for the CSI work area. | 
| Action | Increase the region size above 16 MB for Entire System Server. | 
| Text | ESY5787 CSI request failed, Module ..., Reason ..., RC .... | 
| Explanation | A request to the catalog search interface failed. | 
| Action | Contact your systems programmer. | 
| Text | ESY5788 Unable to substitute symbol ..., RC .... | 
| Explanation | A request failed to substitute text for a system symbol. | 
| Action | Contact your systems programmer. | 
| Text | ESY5789 Unable to get UCB copy for ..., RC .... | 
| Explanation | A request failed to get a UCB copy for the volume specified. | 
| Action | Contact your systems programmer. | 
| Text | ESY5790 Abend :1: during IEBCOPY. | 
| Explanation | An abend has occurred while processing the IEBCOPY utility. | 
| Action | Contact your systems programmer. | 
| Text | Task was not started under TSOS. | 
| Explanation | The ENTIRE SYSTEM SERVER does not run under TSOS and does not have the required privileges to process the user requests. | 
| Action | Check the job control and make sure that all tasks of the ENTIRE SYSTEM SERVER run under TSOS. Do a restart after changing the job control. | 
| Text | ESY5799 Entire System Server internal error. | 
| Explanation | An internal error has occured. | 
| Action | Contact your Software AG technical support representative. |