Flow price: --
fd150c77b384c1fce66ed8142fe5b7eba89b8943cf8ef935f4a633d227edf20e

Transaction

Hash: fd150c77b384c1fce66ed8142fe5b7eba89b8943cf8ef935f4a633d227edf20e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fd150c77b384c1fce66ed8142fe5b7eba89b8943cf8ef935f4a633d227edf20e: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:
fd150c77b384c1fce66ed8142fe5b7eba89b8943cf8ef935f4a633d227edf20e
Status:
ERROR
Block height:
40037907
Block id:
fb8fbe05c55cf6671989f1e3ff395bc305a264b2b5bbf5409666cbe3b0d8b9d4
Timestamp:
Monday 31 October 2022 at 08:53:00 UTC
()
Proposer:
Authorizers:
Gas used:
47