Flow price: --
823dc48d44cb322fd6445006e12502bfdbdcdadf70be361798a19fcd4d7d88d5

Transaction

Hash: 823dc48d44cb322fd6445006e12502bfdbdcdadf70be361798a19fcd4d7d88d5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 823dc48d44cb322fd6445006e12502bfdbdcdadf70be361798a19fcd4d7d88d5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
823dc48d44cb322fd6445006e12502bfdbdcdadf70be361798a19fcd4d7d88d5
Status:
ERROR
Block height:
39973797
Block id:
28abce5b35009e75777c6a1bc0afa9bed3664bc867ac7dac4a22048cbb7adfc5
Timestamp:
Sunday 30 October 2022 at 07:17:45 UTC
()
Proposer:
Authorizers:
Gas used:
49