Error: An error occurred before executing the process 'Marketing Effort Activate Process' : Error activating the marketing effort: Error running marketing effort export

Error: An error occurred before executing the process 'Marketing Effort Activate Process' : Error activating the marketing effort:  Error running marketing effort export.  An error occurred before executing the process 'Marketing Effort Export Process' : Error running marketing effort export.  The variable name '@PARAMETERSETID' has already been declared. Variable names must be unique within a query batch or stored procedure when running invitation list process.
Download and install the latest patch, which contains all fixes from previous patches. If you are running an older version, download and install the latest version and then the patch. 

Environment

 2.91.1535
 2.91.1535, patch 63

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