GTL/2/GTL_ESN_MISMATCH:OID [OID] The ESN of slot [slot] mismatched with the license file.
The slot ESN mismatched the GTL license ESN.
The GTL license enters the trial period. If a new GTL license is not applied for and activated before the trial period expires, the function items subject to the license will become unavailable and resource items will run under default settings.