Flow price: --
0ff55545a56b8a1748a8ce74fe666c0bb0b20cc48f8d367c214d3e68f0ce29ea

Transaction

Hash: 0ff55545a56b8a1748a8ce74fe666c0bb0b20cc48f8d367c214d3e68f0ce29ea
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0ff55545a56b8a1748a8ce74fe666c0bb0b20cc48f8d367c214d3e68f0ce29ea: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:
0ff55545a56b8a1748a8ce74fe666c0bb0b20cc48f8d367c214d3e68f0ce29ea
Status:
ERROR
Block height:
39760747
Block id:
8ab153442d09d5a4ea7155653a741df451ff402acc43503f66d98ab72f721d88
Timestamp:
Wednesday 26 October 2022 at 17:46:18 UTC
()
Proposer:
Authorizers:
Gas used:
46