Flow price: --
9fe445342eb7349c8a7b75c8cb0300485e7ecb5dc14e79fd6d47e87cd01cdcce

Transaction

Hash: 9fe445342eb7349c8a7b75c8cb0300485e7ecb5dc14e79fd6d47e87cd01cdcce
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9fe445342eb7349c8a7b75c8cb0300485e7ecb5dc14e79fd6d47e87cd01cdcce: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:
9fe445342eb7349c8a7b75c8cb0300485e7ecb5dc14e79fd6d47e87cd01cdcce
Status:
ERROR
Block height:
40127372
Block id:
0a9214bcd73f5c7d5875f1220853d0c784a880cabecd679a604a878c1a08f894
Timestamp:
Tuesday 1 November 2022 at 21:01:48 UTC
()
Proposer:
Authorizers:
Gas used:
49