From OpenPlant Update 9 release, new feature has been released for handling tags in PlantSight to be used with OpenPlant applications like OpenPlant Modeler and OpenPlant PID called Tag Management in Data Manager.
Some times during pushing of Data to Plantsight, Tags get reserved hence it become a necessity to clear this Reserve Tags. This Wiki will help user to get to Clean Tag Register which eventually will lead user to option of Reserve Tag option through Engineering Data Manager. Note: For all Link given in this wiki if not accessible through your Plantsight project then kindly check permission and access rights.
If the above problem persists, then please create a Service Request and contact the Bentley Product Advantage group. Please include a list of all relevant details to get in depth analysis for a solution or workaround.