Flow price: --
242fc7d6b5a8e62b0eb73b03d1ef3b787b5efc14ab7e0873c3fea39d5b4f9980

Transaction

Hash: 242fc7d6b5a8e62b0eb73b03d1ef3b787b5efc14ab7e0873c3fea39d5b4f9980
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 242fc7d6b5a8e62b0eb73b03d1ef3b787b5efc14ab7e0873c3fea39d5b4f9980:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
242fc7d6b5a8e62b0eb73b03d1ef3b787b5efc14ab7e0873c3fea39d5b4f9980
Status:
ERROR
Block height:
40084144
Block id:
564176ae2939a7bc5b3902e78999ed197c2479b1f1d67783041060393311e71d
Timestamp:
Tuesday 1 November 2022 at 03:28:29 UTC
()
Proposer:
Authorizers:
Gas used:
45