Flow price: --
01668e335ba33e70e98205e0a54cd0c876297da83d6595f6e7c2f95423ce8c74

Transaction

Hash: 01668e335ba33e70e98205e0a54cd0c876297da83d6595f6e7c2f95423ce8c74
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 01668e335ba33e70e98205e0a54cd0c876297da83d6595f6e7c2f95423ce8c74:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
01668e335ba33e70e98205e0a54cd0c876297da83d6595f6e7c2f95423ce8c74
Status:
ERROR
Block height:
40051712
Block id:
6acc28ff3184f51109ed1975abc50827fc92b08d305c6abc13c9a11ecb1ddef0
Timestamp:
Monday 31 October 2022 at 14:27:37 UTC
()
Proposer:
Authorizers:
Gas used:
49