Message type: E = Error
Message class:  /SEHS/BA_MISC1 -  
Message number: 138
Message text: Cannot find usage for change number &
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.
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.
The SAP error message /SEHS/BA_MISC1138 Cannot find usage for change number & typically occurs in the context of SAP's Engineering Change Management (ECM) or similar modules where change numbers are used to track modifications to materials, documents, or other objects.
Cause: Invalid Change Number: The change number you are trying to use may not exist or may have been deleted. Incorrect Usage: The change number may not be assigned to the object you are trying to modify or view. Authorization Issues: The user may not have the necessary authorizations to access the change number or its associated objects.
Configuration Issues: There may be configuration settings in the system that are not correctly set up to recognize the change number. Data Inconsistency: There could be inconsistencies in the database that prevent the system from finding the usage of the change number.
Solution: Verify Change Number: Check if the change number exists in the system. You can do this by
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
/SEHS/BA_MISC1137 & & & &
What causes this issue?  No documentation available.System Response  The system issues an error message and will not allow you to continue with this t...
/SEHS/BA_MISC1136 Position cursor on a line
What causes this issue?  To carry out the chosen activity, the system expects the cursor to be positioned on a line in the list.  However, this is not...
/SEHS/BA_MISC1139 Internal error: &1 &2 &3
What causes this issue?  An internal error occurred.System Response  -How to fix this error?  Try to save your data and contact your system administra...
/SEHS/BA_MISC1140 Data record is locked
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.