Flow price: --
72667b20cbb4f7170f497b4fd4d79cfbafe52e9cd2ba8a9a654276e8f7118830

Transaction

Hash: 72667b20cbb4f7170f497b4fd4d79cfbafe52e9cd2ba8a9a654276e8f7118830
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 72667b20cbb4f7170f497b4fd4d79cfbafe52e9cd2ba8a9a654276e8f7118830:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
72667b20cbb4f7170f497b4fd4d79cfbafe52e9cd2ba8a9a654276e8f7118830
Status:
ERROR
Block height:
40137967
Block id:
390f2384f36b9e995df9b7143b0374fca1d5a7471d30b12f92458d5754d69aea
Timestamp:
Wednesday 2 November 2022 at 01:21:04 UTC
()
Proposer:
Authorizers:
Gas used:
46