How To Fix DO888 - Key/Index component & is a table

SAP Error Message - Details

• Message type: E = Error

• Message class: DO - Dictionary: Mass activation of domains and data elements

• Message number: 888

• Message text: Key/Index component & is a table

What causes this issue?

INCLUDE DDDOC_EXPLIZIT_KEYDEF_COND OBJECT DOKU ID TX
You defined a key component that is a table.

System Response

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

How to fix this error?

Procedure for System Administrators

Remove this key component from the key definition and define a more
suitable key component in its place if this is necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DO888 - Key/Index component & is a table ?

  The SAP error message DO888 typically indicates an issue related to a key or index component in a database table. This error can arise in various scenarios, such as during data entry, report generation, or when executing certain transactions. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Missing Key Fields: The error may occur if required key fields are not filled in or are missing in the data entry.
  Index Issues: There may be a problem with the database index, such as corruption or misconfiguration.
  Data Inconsistency: Inconsistencies in the data that violate the integrity constraints of the table can trigger this error.
  Table Locking: If the table is locked by another transaction, it may prevent the current operation from completing successfully.
  Authorization Issues: Lack of proper authorizations to access or modify the table can also lead to this error.
  
  Solutions:
  
  Check Key Fields: Ensure that all required key fields are filled in correctly. Review the data entry screen or transaction to confirm that all necessary information is provided.
  Rebuild Indexes: If the issue is related to indexes, consider rebuilding the indexes for the affected table. This can often resolve corruption or misconfiguration issues.
  Data Consistency Check: Run consistency checks on the database to identify and resolve any inconsistencies. This may involve using transaction codes like SE14 (Database Utility) or DB02 (Database Performance).
  Release Locks: If the table is locked, identify the transaction that is holding the lock and either wait for it to complete or, if appropriate, terminate it.
  Check Authorizations: Verify that the user has the necessary authorizations to access and modify the table. This may involve checking roles and permissions in the user profile.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE14 (Database Utility), and DB02 (Database Performance) for troubleshooting.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  Database Administration: If you have access, consult with your database administrator to check for any underlying database issues that may be contributing to the error.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with SAP support or your internal IT team for further assistance.