Flow price: --
1d5a522fc79ca7c0cd49a1e1a10f9a04de244620a8e5935315ceaf8c5de29e1a

Transaction

Hash: 1d5a522fc79ca7c0cd49a1e1a10f9a04de244620a8e5935315ceaf8c5de29e1a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1d5a522fc79ca7c0cd49a1e1a10f9a04de244620a8e5935315ceaf8c5de29e1a: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:
1d5a522fc79ca7c0cd49a1e1a10f9a04de244620a8e5935315ceaf8c5de29e1a
Status:
ERROR
Block height:
40030258
Block id:
e0b9726e136c96ea4ad6f8dc33ef013d19d28c342ca856a9492e19a094da635b
Timestamp:
Monday 31 October 2022 at 05:49:31 UTC
()
Proposer:
Authorizers:
Gas used:
50