Flow price: --
7be9575121551f30379550f0d57ac44b650319902bd0691a18f6435db70c176c

Transaction

Hash: 7be9575121551f30379550f0d57ac44b650319902bd0691a18f6435db70c176c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7be9575121551f30379550f0d57ac44b650319902bd0691a18f6435db70c176c: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:
7be9575121551f30379550f0d57ac44b650319902bd0691a18f6435db70c176c
Status:
ERROR
Block height:
40044747
Block id:
8ecf75cea171d2b754e25c5a22115d9fb089e9d74efa5c9a175a19ab1ec01698
Timestamp:
Monday 31 October 2022 at 11:39:01 UTC
()
Proposer:
Authorizers:
Gas used:
47