Flow price: --
809f03a39075d6e6e23a6d04aba095915a9cdbbc611c143fa69c08471cf7eb0c

Transaction

Hash: 809f03a39075d6e6e23a6d04aba095915a9cdbbc611c143fa69c08471cf7eb0c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 809f03a39075d6e6e23a6d04aba095915a9cdbbc611c143fa69c08471cf7eb0c: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:
809f03a39075d6e6e23a6d04aba095915a9cdbbc611c143fa69c08471cf7eb0c
Status:
ERROR
Block height:
39878120
Block id:
8ece3dfe32c829f744e6813751f0ed9380705cddf2747a12f65f7fafc72f9b89
Timestamp:
Friday 28 October 2022 at 17:04:18 UTC
()
Proposer:
Authorizers:
Gas used:
52