SAP ABAP Message Class E2 Message Number 191 (Constant must be enclosed in apostrophes)
Hierarchy
SAP_BASIS (Software Component) SAP Basis Component
   BC-DWB-DIC-ED (Application Component) Dictionary Maintenance
     SEDD (Package) DDIC Editor
Attribute
Message class E2  
Short Description DE Data Dictionary    
Message Number 191  
Documentation status       Space: object requires documentation
Authorization check Error Message      
Changed On 20130531   
Message Text
Constant must be enclosed in apostrophes
Help Document

Diagnosis

You did not enclose the constant in apostrophes.

System Response

Procedure

Enclose the constant in apostrophes. q

Example: 'Constant'

History
Last changed on/by 20140121  SAP 
SAP Release Created in