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

55501 - Overview

• 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