Flow price: --
98707c67fa85a41ee901c0a961e052a8638a15987bfbb0e75fa7e5586a30d997

Transaction

Hash: 98707c67fa85a41ee901c0a961e052a8638a15987bfbb0e75fa7e5586a30d997
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 98707c67fa85a41ee901c0a961e052a8638a15987bfbb0e75fa7e5586a30d997:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
98707c67fa85a41ee901c0a961e052a8638a15987bfbb0e75fa7e5586a30d997
Status:
ERROR
Block height:
40095449
Block id:
baa62c61d96b68b86444e611b99c244aa0d1b2a1bfe3547733555a7ccd056121
Timestamp:
Tuesday 1 November 2022 at 08:04:30 UTC
()
Proposer:
Authorizers:
Gas used:
47