How To Fix RSSDA058 - Data type &1 not known

SAP Error Message - Details

• Message type: E = Error

• Message class: RSSDA - BW HANA Smart Data Access

• Message number: 058

• Message text: Data type &1 not known

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSSDA058 - Data type &1 not known ?

  The SAP error message RSSDA058, which states "Data type &1 not known," typically occurs in the context of data dictionary operations, such as when working with ABAP programs, data elements, or structures. This error indicates that the system encountered a data type that it does not recognize or that is not defined in the system.
  Causes:
  
  Undefined Data Type: The data type specified in the error message is not defined in the ABAP Dictionary or is misspelled.
  Missing Data Element: The data element or structure that references the data type may not exist or may not be activated.
  Transport Issues: If the data type was recently transported from another system, it may not have been imported correctly.
  Namespace Issues: The data type may belong to a different namespace that is not accessible in the current context.
  Version Compatibility: The data type may be part of a newer version of SAP that is not compatible with the current system.
  
  Solutions:
  
  Check Data Type Definition: Verify that the data type mentioned in the error message is defined in the ABAP Dictionary (transaction SE11). If it is not defined, you may need to create it.
  Correct Spelling: Ensure that the data type name is spelled correctly in your code or data definition.
  Activate Objects: If the data type is defined but not activated, activate it in the ABAP Dictionary.
  Transport Request: If the data type was recently transported, check the transport request for errors and ensure that all necessary objects were included and activated.
  Namespace Verification: Ensure that you have the necessary authorizations to access the namespace where the data type is defined.
  Check for Updates: If you suspect version compatibility issues, check for any available updates or patches for your SAP system.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), and SE37 (Function Module) to investigate and resolve the issue.
  ABAP Code Review: Review the ABAP code where the error occurs to identify how the data type is being used.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to the official SAP documentation for more information on data types and the ABAP Dictionary.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis or development team for further assistance.