Flow price: --
b7aba543d6dc8cc1aec0d97405dd4bcaf1c4e973e301c77676f3f55fd5b573bd

Transaction

Hash: b7aba543d6dc8cc1aec0d97405dd4bcaf1c4e973e301c77676f3f55fd5b573bd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b7aba543d6dc8cc1aec0d97405dd4bcaf1c4e973e301c77676f3f55fd5b573bd: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:
b7aba543d6dc8cc1aec0d97405dd4bcaf1c4e973e301c77676f3f55fd5b573bd
Status:
ERROR
Block height:
40139518
Block id:
874164ca33a09a4bafd8734360c9d705f71793be63f3bf78b6fec497ec2baeeb
Timestamp:
Wednesday 2 November 2022 at 01:59:03 UTC
()
Proposer:
Authorizers:
Gas used:
50