Flow price: --
1a7764a40962596ddd99eaed48b57604f69829f25d7054fd2921aca40bdb01ec

Transaction

Hash: 1a7764a40962596ddd99eaed48b57604f69829f25d7054fd2921aca40bdb01ec
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1a7764a40962596ddd99eaed48b57604f69829f25d7054fd2921aca40bdb01ec: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:
1a7764a40962596ddd99eaed48b57604f69829f25d7054fd2921aca40bdb01ec
Status:
ERROR
Block height:
39951010
Block id:
c08d311504edfba10717b3ae5cb4418f59955fb0a76cf91b84f4ff9cca983d6e
Timestamp:
Saturday 29 October 2022 at 22:13:45 UTC
()
Proposer:
Authorizers:
Gas used:
46