Flow price: --
97442df392e35532ebeee01f743475ee1e6d62d38d2460e57aaead1c99b3148e

Transaction

Hash: 97442df392e35532ebeee01f743475ee1e6d62d38d2460e57aaead1c99b3148e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 97442df392e35532ebeee01f743475ee1e6d62d38d2460e57aaead1c99b3148e: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:
97442df392e35532ebeee01f743475ee1e6d62d38d2460e57aaead1c99b3148e
Status:
ERROR
Block height:
40037775
Block id:
8191db891d49871820d7a0cff0d0430c59eb65613f6c2767d8bb9cda6dcf9289
Timestamp:
Monday 31 October 2022 at 08:49:53 UTC
()
Proposer:
Authorizers:
Gas used:
49