Message type: E = Error
Message class: SA -
Message number: 345
Message text: Use entity types with matching versions
Relationships between entity types of different versions are not
allowed.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Please check the syntax.
Error message extract from SAP system. Copyright SAP SE.
SA344 A relationship cannot exist between two identical entity types
What causes this issue? You specified the same entity type. A relationship with...
SA343 Make an entry in the field
What causes this issue? You pressed enter without specifying a EDM object.Syste...
SA346 Definition saved
Self-Explanatory Message Since SAP believes that this specific error message is ...
SA348 Quantities for ent.type & & & were saved
Self-Explanatory Message Since SAP believes that this specific error message is ...
SAP messages fall into 3 different categories: Error messages
(message type = E), Warnings (W) or Informational (I) messages.
An error message will prevent you from continuing your work - it is a hard stop and you need to fix the error before you can proceed. A warning message will stop your work, however, you can then bypass the warning by pressing the Enter key on your keyboard. That said, it is still good practice to investigate the cause of the warning message and address it. An information message will not stop your work and is truly just for informational purposes.
Click on this link to search all SAP messages.