https://community.blueprism.com/t5/Product-Forum/Object-not-working-in-quot-Process-Studio-quot-at-quot-Object/m-p/86971#M37751 Try stepping into the object from Process Studio (F11 key), this should help you see if there are any basic errors like missing inputs or syntax errors. Also remember that object logic runs much more quickly when executed from a process - it could be that your logic cannot cope with the increase in execution speed. Fri, 05 Oct 2018 12:54:00 GMT John__Carter 2018-10-05T12:54:00Z https://community.blueprism.com/t5/Product-Forum/Object-not-working-in-quot-Process-Studio-quot-at-quot-Object/m-p/86970#M37750 I made objects for blue prism; however, Some of them work fine only at "Object Studio", Not working in "Process Studio". Sometimes I have faced...   -Can not catch an element which is already spied by application modeler   -Cannot write a collection(even I've set  it  at "Inputs" tab from a start stage of Object Studio) So, If anyone has hints, tips, please help me. Fri, 05 Oct 2018 08:36:00 GMT https://community.blueprism.com/t5/Product-Forum/Object-not-working-in-quot-Process-Studio-quot-at-quot-Object/m-p/86970#M37750 KANAMETAMAKI 2018-10-05T08:36:00Z https://community.blueprism.com/t5/Product-Forum/Object-not-working-in-quot-Process-Studio-quot-at-quot-Object/m-p/86971#M37751 Try stepping into the object from Process Studio (F11 key), this should help you see if there are any basic errors like missing inputs or syntax errors. Also remember that object logic runs much more quickly when executed from a process - it could be that your logic cannot cope with the increase in execution speed. Fri, 05 Oct 2018 12:54:00 GMT https://community.blueprism.com/t5/Product-Forum/Object-not-working-in-quot-Process-Studio-quot-at-quot-Object/m-p/86971#M37751 John__Carter 2018-10-05T12:54:00Z https://community.blueprism.com/t5/Product-Forum/Object-not-working-in-quot-Process-Studio-quot-at-quot-Object/m-p/86972#M37752 Hi John__Carter,  Thank you for the advisement.  -To find basic errors; Using step(F11 Key)    → I didn't know this function. it's usefull.  -To synchronize processing speed difference between Object studio and Process Studio; Using Wait stage   → I only use Wait stage for delaying app/web reaction,  I didn't know speed difference. I will keep it as essential knowledge for my troubleshooting. Thanks again. Tue, 09 Oct 2018 08:27:00 GMT https://community.blueprism.com/t5/Product-Forum/Object-not-working-in-quot-Process-Studio-quot-at-quot-Object/m-p/86972#M37752 KANAMETAMAKI 2018-10-09T08:27:00Z https://community.blueprism.com/t5/Product-Forum/Object-not-working-in-quot-Process-Studio-quot-at-quot-Object/m-p/86973#M37753 I also refer the advisement and the guide below at the same time. If somebody has the same problems, maybe it's useful.   ・Development Best Practice 　https://portal.blueprism.com/documents/development-best-practice Tue, 09 Oct 2018 13:39:00 GMT https://community.blueprism.com/t5/Product-Forum/Object-not-working-in-quot-Process-Studio-quot-at-quot-Object/m-p/86973#M37753 KANAMETAMAKI 2018-10-09T13:39:00Z