Flow price: --
a6af8d1221d8372ccd3c91a622bc8115418ae1f647f650005e9bb79f058b9987

Transaction

Hash: a6af8d1221d8372ccd3c91a622bc8115418ae1f647f650005e9bb79f058b9987
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a6af8d1221d8372ccd3c91a622bc8115418ae1f647f650005e9bb79f058b9987:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a6af8d1221d8372ccd3c91a622bc8115418ae1f647f650005e9bb79f058b9987
Status:
ERROR
Block height:
40097711
Block id:
f4777c0e9fb6838258fc72c83e761979a44d0be7e76b7918e74616f733b50225
Timestamp:
Tuesday 1 November 2022 at 08:59:39 UTC
()
Proposer:
Authorizers:
Gas used:
47