Flow price: --
a74362f923aff2ee814c302c4842825a8b44af0874691f8fc82eb7e8c70fcf8b

Transaction

Hash: a74362f923aff2ee814c302c4842825a8b44af0874691f8fc82eb7e8c70fcf8b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a74362f923aff2ee814c302c4842825a8b44af0874691f8fc82eb7e8c70fcf8b: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:
a74362f923aff2ee814c302c4842825a8b44af0874691f8fc82eb7e8c70fcf8b
Status:
ERROR
Block height:
40116059
Block id:
a96024cf2b4a24b988296b37d098935ec876d0dbe04902b0bf4ca7e62819da88
Timestamp:
Tuesday 1 November 2022 at 16:25:10 UTC
()
Proposer:
Authorizers:
Gas used:
50