Flow price: --
9425b931e7c3d61fab4ba69b664b68610d67878f9a1c84403368d799665796b5

Transaction

Hash: 9425b931e7c3d61fab4ba69b664b68610d67878f9a1c84403368d799665796b5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9425b931e7c3d61fab4ba69b664b68610d67878f9a1c84403368d799665796b5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9425b931e7c3d61fab4ba69b664b68610d67878f9a1c84403368d799665796b5
Status:
ERROR
Block height:
39743355
Block id:
edb1810f90c5bad865def41e3f91be3fb9f44677118931ddbc0473402dc62411
Timestamp:
Wednesday 26 October 2022 at 10:45:56 UTC
()
Proposer:
Authorizers:
Gas used:
52