Flow price: --
926f2b0aff80be422e48d7ef5eb8cb8d6f29f77c088440bb3be60c2c2500e5b3

Transaction

Hash: 926f2b0aff80be422e48d7ef5eb8cb8d6f29f77c088440bb3be60c2c2500e5b3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 926f2b0aff80be422e48d7ef5eb8cb8d6f29f77c088440bb3be60c2c2500e5b3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
926f2b0aff80be422e48d7ef5eb8cb8d6f29f77c088440bb3be60c2c2500e5b3
Status:
ERROR
Block height:
40039657
Block id:
07fff3691516495d30aba536c238188c4ea3a521ef938093a2609984bca3b315
Timestamp:
Monday 31 October 2022 at 09:35:41 UTC
()
Proposer:
Authorizers:
Gas used:
47