Flow price: --
f08fd8a6e1604ac260daf99542aab0b4a77e4635d21e053a86a267440be11f08

Transaction

Hash: f08fd8a6e1604ac260daf99542aab0b4a77e4635d21e053a86a267440be11f08
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f08fd8a6e1604ac260daf99542aab0b4a77e4635d21e053a86a267440be11f08:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f08fd8a6e1604ac260daf99542aab0b4a77e4635d21e053a86a267440be11f08
Status:
ERROR
Block height:
39743143
Block id:
fd57fc8211c798fd1600b655577dc2aa89fb9911bc3f3f6f4f6423232a973ecb
Timestamp:
Wednesday 26 October 2022 at 10:40:44 UTC
()
Proposer:
Authorizers:
Gas used:
47