How To Fix ISSR_TP894 - Table & has too many key fields

SAP Error Message - Details

• Message type: E = Error

• Message class: ISSR_TP - Message Class for Statutory Reporting

• Message number: 894

• Message text: Table & has too many key fields

What causes this issue?

Table &V1& has more than 15 key fields, but the report <NP>
RISSR_CV_DATA_REC</> can only process the table contents of database
tables with up to 15 key fields.

System Response

The system terminates processing of table &V1& and continues the program
with the next table.

How to fix this error?

Contact SAP.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ISSR_TP894 - Table & has too many key fields ?

  The SAP error message "ISSR_TP894 Table & has too many key fields" typically indicates that a specific table in the SAP system has exceeded the maximum number of key fields allowed. This can occur in various contexts, such as when defining a new table or modifying an existing one.
  Cause:
  
  Exceeding Key Field Limit: In SAP, there is a limit to the number of key fields that can be defined for a table. This limit is generally set to 16 key fields for database tables. If you attempt to create or modify a table with more than this limit, you will encounter this error.
  Table Design Issues: Sometimes, the design of the table may not be optimal, leading to an excessive number of key fields being defined.
  
  Solution:
  
  Review Table Design: Analyze the table structure and determine if all key fields are necessary. Consider whether some fields can be removed from the key or if the table can be normalized to reduce the number of key fields.
  Combine Fields: If possible, combine multiple fields into a single key field. For example, if you have several fields that are often used together, you might create a composite key.
  Use Secondary Indexes: Instead of relying solely on key fields, consider using secondary indexes for fields that are frequently queried but do not need to be part of the primary key.
  Refactor the Table: If the table is too complex, consider refactoring it into multiple related tables, each with a more manageable number of key fields.
  Consult Documentation: Refer to SAP documentation or guidelines regarding table design and key field limitations to ensure compliance with best practices.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or updates related to this error message. SAP frequently updates its knowledge base with solutions to common issues.
  Table Definition: Use transaction codes like SE11 (Data Dictionary) to view and modify the table definition.
  Performance Considerations: Keep in mind that having too many key fields can also impact performance, as it may slow down data retrieval and increase the complexity of database operations.
  
  If you continue to face issues after attempting these solutions, it may be beneficial to consult with an SAP Basis or ABAP consultant who can provide more tailored assistance based on your specific system configuration and requirements.