Flow price: --
d0d263f0a83f75e248e548674191e0f954a3d12708c12cd4ff97d38392113e3c

Transaction

Hash: d0d263f0a83f75e248e548674191e0f954a3d12708c12cd4ff97d38392113e3c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d0d263f0a83f75e248e548674191e0f954a3d12708c12cd4ff97d38392113e3c:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d0d263f0a83f75e248e548674191e0f954a3d12708c12cd4ff97d38392113e3c
Status:
ERROR
Block height:
39748064
Block id:
54ab8c12ca804009704643e1d82e490ef5e53f8cf066dc7999fbbfc63a344741
Timestamp:
Wednesday 26 October 2022 at 12:40:26 UTC
()
Proposer:
Authorizers:
Gas used:
48