Flow price: --
7a110f3b99b9d8661274b61e3820d582f9268f49f4ec924822a9549495828d5c

Transaction

Hash: 7a110f3b99b9d8661274b61e3820d582f9268f49f4ec924822a9549495828d5c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7a110f3b99b9d8661274b61e3820d582f9268f49f4ec924822a9549495828d5c: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:
7a110f3b99b9d8661274b61e3820d582f9268f49f4ec924822a9549495828d5c
Status:
ERROR
Block height:
39984262
Block id:
1b5dae5aceef633812c31658b46b788bc76525e5323d4f1428988d93ee9aeb55
Timestamp:
Sunday 30 October 2022 at 11:27:27 UTC
()
Proposer:
Authorizers:
Gas used:
48