Flow price: --
6a185d5b19ed18ad61818068b0dc0ac664473f9e4624b60710c7aada6d2dd680

Transaction

Hash: 6a185d5b19ed18ad61818068b0dc0ac664473f9e4624b60710c7aada6d2dd680
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6a185d5b19ed18ad61818068b0dc0ac664473f9e4624b60710c7aada6d2dd680:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6a185d5b19ed18ad61818068b0dc0ac664473f9e4624b60710c7aada6d2dd680
Status:
ERROR
Block height:
40029238
Block id:
74a1ca1764a8ccb91a1d0b70116fff1d2638300d34330424d1cf1ec02c9d4bf4
Timestamp:
Monday 31 October 2022 at 05:24:51 UTC
()
Proposer:
Authorizers:
Gas used:
49