Oracle Applications

12.2 ADOP phase=prepare fails with [ERROR] Invalid connect string - cannot connect to database

[ERROR]     Failed to execute sql statement :
      begin
        ad_zd_seed.prepare('FND_PROFILE_OPTION_VALUES');
        ad_zd_seed.prepare('WF_RESOURCES');
        ad_zd_seed.prepare('IBY_BEPINFO');
      end;

[ERROR]     Invalid connect string - cannot connect to database
Invalid Connect string - cannot connect to database
ERROR:
ORA-12521: TNS:listener does not currently know of instance requested in
connect descriptor
Invalid connect string - cannot connect to database
Invalid Connect string - cannot connect to database
ERROR:
ORA-12521: TNS:listener does not currently know of instance requested in
connect descriptor

[UNEXPECTED]Error while runPendingClone sub-routine is called


SOLUTION:

Copy TNS_ADMIN files from RUN edition to PATCH edition
Restart PREPARE phase again

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