Flow price: --
d272195537982cc6544cc91ba2a4bbd626d4a26d5317e759084870f2af491412

Transaction

Hash: d272195537982cc6544cc91ba2a4bbd626d4a26d5317e759084870f2af491412
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d272195537982cc6544cc91ba2a4bbd626d4a26d5317e759084870f2af491412:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d272195537982cc6544cc91ba2a4bbd626d4a26d5317e759084870f2af491412
Status:
ERROR
Block height:
40146691
Block id:
53dd4e5b05efa2cc22d997a8ce89cc8c6fef894382693dba05b7aef151087848
Timestamp:
Wednesday 2 November 2022 at 04:53:15 UTC
()
Proposer:
Authorizers:
Gas used:
50