How To Fix TR158 - Table belongs to class '&' and not to class 'E' or 'G'

TR158 - Overview

• Message type: E = Error

• Message class: TR - Change and Transport System

• Message number: 158

• Message text: Table belongs to class '&' and not to class 'E' or 'G'

What causes this issue?

A table which does not have class <ZH>E</> or <ZH>G</> was entered.
Name ranges can only be reserved for tables belonging to class <ZH>E</>
or <ZH>G</>.

System Response

Name ranges are not entered for this table.

How to fix this error?

The table class of the affected table should be checked and changed to
<ZH>E</> or <ZH>G</> if necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TR158 - Table belongs to class '&' and not to class 'E' or 'G' ?

  The SAP error message TR158 indicates that there is an issue with the transport of a table that belongs to a specific class, but the system is expecting it to belong to a different class. Specifically, the message states that the table belongs to class '&' and not to class 'E' or 'G'. 
  
  Cause:
  This error typically occurs when you are trying to transport a table that is not classified correctly according to the transport layer's expectations. In SAP, objects are classified into different classes, and each class has specific rules regarding transport. The classes 'E' (for customizing) and 'G' (for repository objects) are commonly used for transport purposes. If a table is classified under a different class (like 'A' for application objects), it cannot be transported in the same way.
  
  Solution:
  To resolve this issue, you can take the following steps:
  
  
  Check the Table Class: Verify the class of the table that is