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Support Article

Unable to convert data table to local storage

SA-11201

Summary



As an application developer, you have migrated your application from Pega 7.1.6 to Pega 7.1.7. The data tables are deprecated in Pega 7.1.7. When you convert the data tables to local data storage, you get an error message.

ERROR MESSAGE

** Optimization cannot be performed for classes in this hierachy because of one or more of the following reasons : they are abstract or in a Pega shipped ruleset or mapped to either pr_other or an external table

Steps to Reproduce


 
  1. Create a data table without a BLOB column in PEGA 7.1.6.
     
  2. Migrate that data table to PEGA 7.1.7.
     
  3. Convert the data table to local data storage.

Root Cause



The root cause of this problem is a defect in the application code/rules. The database table mapped to data table does not have the BLOB column pzPvStream.

Resolution



Perform this local change: Manually create the BLOB column pzPvStream in the database table.
 

Published July 6, 2015 - Updated October 8, 2020

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