Message type: E = Error
Message class: TR - Change and Transport System
Message number: 155
Message text: Key contains field with lowercase letters
The key of the selected table contains one or more fields that
allow lower-case characters. Entry in this fast-entry screen
is not possible.
Keys that have already been entered are displayed.
Branch to the key maintenance screen, where you can enter
each key field individually.
Error message extract from SAP system. Copyright SAP SE.
TR155
- Key contains field with lowercase letters ?The SAP error message TR155, which states "Key contains field with lowercase letters," typically occurs when you are trying to create or modify a transport request or a transport object in SAP, and the key (which may refer to the name of a transport object, such as a table, function module, or other repository objects) contains lowercase letters. In SAP, certain naming conventions are enforced, and keys are expected to follow specific rules.
Cause: The primary cause of this error is that SAP requires certain keys (like transport request names, object names, etc.) to be in uppercase letters. If any part of the key contains lowercase letters, the system will throw this error to maintain consistency and adhere to naming conventions.
Solution: To resolve this error, you should ensure that all parts of the key you are trying to use are in uppercase. Here are the steps you can take: Check the Naming Convention: Review
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