Getting the following error : The key already existed in the dictionary

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  Hi thank you for your forum post.
  
  Can you please provide some further information as to the steps taken to experience this "The key already existed in the dictionary" error.
  
  Is it occurring during a comparison? If yes, what are the data sources for the comparison, for example source = scripts folder, target = live schema.
  
  Full version number of Schema Compare for Oracle you are using?
  
  Many thanks
  Eddie

  Eddie D October 24, 2017 13:16

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  I am running compare between two Oracle db instances. Both dbs are the same version of Oracle. When registering databases, before it even runs compare, I am getting that error when using Red Gate 4.0 of Schema compare 32bit

  aroisenberg October 24, 2017 13:34

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  Thank you for your reply.
  
  Would you please increase the minimum logging level to verbose logging as per this help document:
  https://documentation.red-gate.com/sco4/troubleshooting/logging-and-log-files
  
  Note how to locate the log files.
  
  Repeat the comparison attempt. When the reported error occurs, locate the latest log file and send a copy to support@red-gate.com for the attention of Eddie Davis, quoting the URL for this forum topic:
  https://forum.red-gate.com/discussion/81996/getting-the-following-error-the-key-already-existed-in-the-dictionary#latest
  
  The above actions will create a support ticket and allow me to review the log file generated.
  
  Many thanks
  Eddie

  Eddie D October 24, 2017 13:41

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  Thanks for your help, older version of software did not require access to some of the system tables, I guess current one does, so once I switched id I was using to the one with more access rights, issue was resolved, thanks a lot for your help.

  aroisenberg October 25, 2017 17:09

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  getting below error while comparing two databases through Redgate can someone help me with these issues?
  
  "The key already existed in the dictionary " 
  
  
  

  Neel November 30, 2021 07:52

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  Dear All, any update on this request? we are not able to move ahead due to these issues.

  Neel December 02, 2021 11:17

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