How To Fix AD695 - Field & (use other data type in pool key)

AD695 - Overview

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 695

• Message text: Field & (use other data type in pool key)

What causes this issue?

A key field of the pool has an incorrect data type. Only characterlike
data types are permitted for key fields.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Change the data type of the particular key field to one of the
permissible data types CHAR, NUMC, ACCP, CLNT, CUKY, DATS, TIMS, LANG or
UNIT. Further information about the data types can be found in the
manual for the ABAP/4 Dictionary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD695 - Field & (use other data type in pool key) ?

  The SAP error message AD695 ("Field & (use other data type in pool key)") typically occurs when there is an issue with the data type of a field being used in a pool key. This error is often encountered in the context of ABAP programming, particularly when dealing with database tables or structures that are defined in the ABAP Dictionary.
  
  Cause:
  The error is caused by an attempt to use a field in a pool key that does not have the appropriate data type. In SAP, pool keys must be of certain data types (like CHAR, NUMC, etc.) that are compatible with the underlying database structure. If a field is defined with an incompatible data type (like a floating-point number or a complex structure), this error will be triggered.
  
  Solution:
  To resolve the AD695 error, you can take the following steps:
  
  
  Check Data Types: Review the data types of the fields being used in the