SE91 is a SAP tcode coming under BC module and SAP_BASIS component. View some details about SE91 tcode in SAP.
- SE91 tcode used for : Message Maintenance in SAP
- Module : BC-DWB-TOO (Workbench Tools: Editors, Painters, Modelers)
- Parent Module : BC (Basis Components)
- Package : SMESSAGE (Maintain Messages / Message Classes Using Object Navigator)
- ABAP Program : RSMESSAGES

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Definitions
What is SAP ?SAP is the short form of Systems, Applications & Products in Data Processing. It is one of the largest business process related software. This software focused on business processes on ERP & CRM.
What is transaction code in SAP?Transaction code shortly known as tcode, is a shortcut code to access different functional areas in SAP. It avoid users from long menu path to reach a report. Instead of that users can type the corresponding transaction code and press enter, the corresponding SAP page will load. It’s a good practice to remember or note down the transaction codes that we need to use in our regular work.
SE91 related transaction codes
| Tcode | Note |
|---|---|
| SE91 | Message Maintenance |
| SXMSFILTER | Message Filter Maintenance |
| EBPMSG | Create Message in EBP for Sol.Mgr. |
| EMMACCAT1M | Create Case Category from Message |
| GRMG | Generic Request and Message Gen. |
| IDXP | Monitor for Message Packages |
| SMMS | Message Server Monitor |
| SRT_MONI | WS Message Monitor |
| SXMSJOBS | Schedule Message Processing |
| SXMSJOBSCHEDULER | Scheduler for Message Processing |
| CRMC_LOGS | Maintenance of message classes |
| CRMC_MSGS | CRM message attribute maintenance |
| EMSG | Maintenance of Message Groups |
| EMMA_NR_CASE | Number Range Maintenance: EMMA_CASE |
| EMMA_NR_JOB | Number Range Maintenance: EMMA_RUNID |