Flow price: --
819c8b8cb131ed23514da3a65c7201493c8e999270524211e8cf12149d12d613

Transaction

Hash: 819c8b8cb131ed23514da3a65c7201493c8e999270524211e8cf12149d12d613
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 819c8b8cb131ed23514da3a65c7201493c8e999270524211e8cf12149d12d613:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
819c8b8cb131ed23514da3a65c7201493c8e999270524211e8cf12149d12d613
Status:
ERROR
Block height:
40157248
Block id:
9098ebea1687dbcd08b44d9c293c3209c35deb5815880525b7724dfa151dae17
Timestamp:
Wednesday 2 November 2022 at 09:11:23 UTC
()
Proposer:
Authorizers:
Gas used:
47