Flow price: --
1b890af98eb217099c24834a382014cbcca93fd11874d80db9c3bb8e1bb7f86b

Transaction

Hash: 1b890af98eb217099c24834a382014cbcca93fd11874d80db9c3bb8e1bb7f86b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1b890af98eb217099c24834a382014cbcca93fd11874d80db9c3bb8e1bb7f86b: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:
1b890af98eb217099c24834a382014cbcca93fd11874d80db9c3bb8e1bb7f86b
Status:
ERROR
Block height:
39905466
Block id:
e0b2bfc528c2288f868f25fbe9d16afb91c2703002ec831e8af6dc66c1d90910
Timestamp:
Saturday 29 October 2022 at 03:57:24 UTC
()
Proposer:
Authorizers:
Gas used:
50