https://community.blueprism.com/t5/Product-Forum/ERROR-Internal-The-specified-item-was-not-locked-by-this/m-p/81618#M33170 This is in the Process Layer, the ""Object"" that it seems to be referring to is the Work Queues internal object Tue, 16 Jan 2018 20:38:00 GMT jgregor4 2018-01-16T20:38:00Z https://community.blueprism.com/t5/Product-Forum/ERROR-Internal-The-specified-item-was-not-locked-by-this/m-p/81615#M33167 My process has ended and this error was thrown.  The resource that was running did lock the item in the queue so I am not really sure what it is in relation to or what a possible fix would be. Does anyone know why this could have happened? The step in the process was updating the Status in the queue. Tue, 16 Jan 2018 17:54:00 GMT https://community.blueprism.com/t5/Product-Forum/ERROR-Internal-The-specified-item-was-not-locked-by-this/m-p/81615#M33167 jgregor4 2018-01-16T17:54:00Z https://community.blueprism.com/t5/Product-Forum/ERROR-Internal-The-specified-item-was-not-locked-by-this/m-p/81616#M33168 If we are talking work queues it sounds as though there is a problem with your queue logic. Work queues item handling should be done at the process level as per training so I am not sure why your error is coming from an object? Are you using a Process Template as the basis of your process and your queue handling logic - that should be seen as mandatory.  There is also the Lifecycle Orientation training solution that is an example of best practice queue handling.     Tue, 16 Jan 2018 20:22:00 GMT https://community.blueprism.com/t5/Product-Forum/ERROR-Internal-The-specified-item-was-not-locked-by-this/m-p/81616#M33168 Denis__Dennehy 2018-01-16T20:22:00Z https://community.blueprism.com/t5/Product-Forum/ERROR-Internal-The-specified-item-was-not-locked-by-this/m-p/81617#M33169 That error means your queue item handling is flawed. The process (or object) that locks the item via Get Next Item is the only one who can update the item (eg Set Status, Mark Complete, mark Exception etc), it can't be done by another object - if you try you get that error. I think the only edits you can make to an item without owning the lock are Tag and Untag. Tue, 16 Jan 2018 20:24:00 GMT https://community.blueprism.com/t5/Product-Forum/ERROR-Internal-The-specified-item-was-not-locked-by-this/m-p/81617#M33169 John__Carter 2018-01-16T20:24:00Z https://community.blueprism.com/t5/Product-Forum/ERROR-Internal-The-specified-item-was-not-locked-by-this/m-p/81618#M33170 This is in the Process Layer, the ""Object"" that it seems to be referring to is the Work Queues internal object Tue, 16 Jan 2018 20:38:00 GMT https://community.blueprism.com/t5/Product-Forum/ERROR-Internal-The-specified-item-was-not-locked-by-this/m-p/81618#M33170 jgregor4 2018-01-16T20:38:00Z