Message type: E = Error
Message class:  DA - Dictionary: Compare, distribution, timer, instantiation 
Message number: 305
Message text: Error writing the inactive nametab
Error occurred when writing inactive nametab.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
It is possible that there was an entry with the same name in table
DDXTT. Check the entries in tables DDXTT and DDXTF.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message DA305, which states "Error writing the inactive nametab," typically occurs during the activation of a transport request or when there are issues with the name tab (nametab) in the SAP system. This error can arise due to various reasons, including inconsistencies in the database, issues with the transport directory, or problems with the naming conventions in the system. Causes: Database Issues: There may be inconsistencies or corruption in the database that prevent the nametab from being written correctly. Transport Directory Problems: Issues with the transport directory or transport files can lead to this error. Authorization Issues: The user may not have the necessary authorizations to write to the nametab. System Configuration: Incorrect system configuration or settings can also lead to this error. Inactive Objects: If there are inactive objects in the system that are not properly handled, it can cause this error. Solutions: Check Database Consistency: Use transaction codes like SE11 (Data Dictionary) or
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
DA304 Error writing the active nametab
What causes this issue?  When you write an active nametab, an error occurs which is recognized by the system (SY-SUBRC <> 0).System Response  Th...
DA303 Inactive nametab for & does not contain any fields
What causes this issue?  The inactive nametab has a header, but no fields. The system issues an error message and will not allow you to continue with ...
DA306 No inactive or active nametab exists for &
What causes this issue?  An attempt was made to access an (active/inactive) nametab. However, there is neither an active, nor an inactive nametab for ...
DA307 SQL error occurred when writing the nametab of table &
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.