How To Fix 55501 - Internal error: equivalence table SUBS is not correct (&1)

SAP Error Message - Details

• Message type: E = Error

• Message class: 55 - Messages for development class EENO

• Message number: 501

• Message text: Internal error: equivalence table SUBS is not correct (&1)

What causes this issue?

Table SUBS of parameter XY_PARM of the OPEN-module MSG_OPEN has the
wrong contents. Message type &V1& does not exist (MSGTY).
This is a program error that can only be rectified by SAP.

System Response

The system does not allow you to open the application log object.

How to fix this error?

Note the following:
transaction
entries leading to the error
message text
and send a problem message to SAP.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 55501 - Internal error: equivalence table SUBS is not correct (&1) ?

  The SAP error message 55501, which states "Internal error: equivalence table SUBS is not correct (&1)," typically indicates an issue with the equivalence table used in the SAP system. This error can arise in various contexts, often related to data inconsistencies or configuration issues within the system.
  Cause:
  
  Data Inconsistency: The equivalence table may have been corrupted or improperly configured, leading to inconsistencies in the data.
  Configuration Issues: Incorrect settings in the system configuration related to the equivalence table can trigger this error.
  Transport Issues: If the equivalence table was transported from one system to another, it may not have been properly updated or may contain errors.
  Custom Code: If there are custom developments or modifications that interact with the equivalence table, they may be causing the error.
  
  Solution:
  
  Check the Equivalence Table: Review the equivalence table (SUBS) for any inconsistencies or errors. You can do this by accessing the relevant transaction codes (e.g., SE11 for Data Dictionary).
  Rebuild the Table: If the table is corrupted, you may need to rebuild it. This can involve deleting incorrect entries and re-entering the correct data.
  Review Configuration Settings: Ensure that all configuration settings related to the equivalence table are correct. This may involve checking the customizing settings in SPRO.
  Transport Management: If the issue arose after a transport, check the transport logs for errors and ensure that all necessary objects were transported correctly.
  Check for Custom Code: If there are any custom programs or enhancements that interact with the equivalence table, review them for potential issues.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve the issue.
  Consult SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), and SPRO (Customizing) to investigate the issue further.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review SAP documentation related to equivalence tables and their configuration to ensure compliance with best practices.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the error message 55501 in your SAP system.