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Decrease the total connection data that OCI driver in the Oracle Client has to process for the workflow. If the workflow is accessed from a network drive, try putting the workflow in a folder close to the root of the driver, rather than in a long folder directory, or move the workflow to your workstation instead of a network directory.
If there are many OCI connections in the workflow, see if the same data could be imported with fewer connections.
The OCI driver is recording the network location of the workflow. Also, if the workflow contains multiple OCI inputs, the Oracle Client OCI driver appears to compile all of them together to create the workflow connections.
A maximum limit of connection data for an OCI driver can be reached
In testing, we found that a maximum limit of connection data could be reached, and then the error would occur. The workflow would run fine with multiple OCI connections if the workflow was located on the workstation. However, when running the same workflow from a network drive, the length of the folder path would determine whether or not it would error out. Similarly, adding or removing more OCI inputs would have the same effect. A limit would be reached, and an error would occur beyond that limit.