https://www.aras.com/community/f/development/35641/mpp-operations-does-not-saved-when-i-changed-to-select-an-existing-operation-thanksHi all, Hope you are doing well during the quarantine! Here is an urgent issue that need your help. In MPP (Process Plan) module, we are trying to change to select an existing operation instead of inserting an operation manually in MPP. Sinceja-JPTelligent Community 12https://www.aras.com/community/thread/5255?ContentTypeID=1Fri, 12 Jun 2020 10:04:15 GMT916d3f7e-8ddc-42f8-8d45-380822f51406:fa279bef-4b7e-4c2c-8cba-8e6752562fa1Jenli<p>Hi Chris，</p> <p>Thanks alot for replying me!</p> <p>Based on my understanding as you said, if I manually add the mpp_Operation Itemtype as a Relationship Type of mpp_ProcessPlan, then would it work that way?&nbsp;</p> <p>The last question is I try to copy the mpp_Operation as you suggested and it pops up the error as screenshot below, do not have an idea about this. Appreciate it!</p> <p><img src="/resized-image/__size/320x240/__key/communityserver-discussions-components-files/3/pastedimage1591956055769v1.png" alt=" " /></p> <p>Best regards,</p> <p>Jen Li</p><div style="clear:both;"></div>https://www.aras.com/community/thread/5251?ContentTypeID=1Thu, 11 Jun 2020 13:42:24 GMT916d3f7e-8ddc-42f8-8d45-380822f51406:fcd825c2-a252-43d7-9932-15d61b4fc7d9Christopher Gillis<p>Hello,</p> <p>The mpp_Operation ItemType is actually a null relationship off of mpp_ProcessPlan. This means that it does not have any related data and also that it has a&nbsp;<em>source_id</em> linking it to an individual Process Plan. Because of this, a single operation cannot be shared between different Process Plans.</p> <p>Depending on your exact use case, one alternative could be to create a copy of the mpp_Operation that a user selects from the search dialog to attach to your new Process Plan.&nbsp;</p> <p>Chris</p> <hr /> <p>Christopher Gillis</p> <p>Aras Labs Software Engineer</p><div style="clear:both;"></div>