Check that your Queue ID (2nd parameter in the pspOutMessage function) matches the Queue ID for the shared queue you created in Salesforce. To locate the Queue ID for your shared queue in Salesforce Lightning, navigate to > Perspectium Replicator > Queues. Then, click the Queue Name of the shared queue whose ID you want to locate. On the resulting page, the shared queue's Queue ID will be the alphanumeric code displayed in the page URL immediately following /persp__PSPQueue__c/ and preceding /view. 
To locate the Queue ID for your shared queue in Salesforce Classic, choose Perspectium Replicator from the dropdown in the uppermost right-hand corner of the screen. Then, click Queues and click the Queue Name of the shared queue whose ID you want to locate. On the resulting page, the shared queue's Queue ID will be the alphanumeric code displayed in the page URL immediately following /PSPQueue?id= and preceding &.

NOTE: The Queue ID in Salesforce Lightning will be an 18-character code, while the Queue ID in Salesforce Classic will be a 15-character code.
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