Flow price: --
b72015ab6a90a752ed32f40c43a32a07384d0caac9ce3b976da46e7f9bc4d468

Transaction

Hash: b72015ab6a90a752ed32f40c43a32a07384d0caac9ce3b976da46e7f9bc4d468
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b72015ab6a90a752ed32f40c43a32a07384d0caac9ce3b976da46e7f9bc4d468:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b72015ab6a90a752ed32f40c43a32a07384d0caac9ce3b976da46e7f9bc4d468
Status:
ERROR
Block height:
40145102
Block id:
606c47783095dc73f99c8ac0a104f6158be6c36235938448ba81adc35b818007
Timestamp:
Wednesday 2 November 2022 at 04:14:36 UTC
()
Proposer:
Authorizers:
Gas used:
47