Flow price: --
31ef93cb6657ebaa3f3d1091f5c8ebb3c3e9790ea5ba1dc9071efe361108dacb

Transaction

Hash: 31ef93cb6657ebaa3f3d1091f5c8ebb3c3e9790ea5ba1dc9071efe361108dacb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 31ef93cb6657ebaa3f3d1091f5c8ebb3c3e9790ea5ba1dc9071efe361108dacb: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:
31ef93cb6657ebaa3f3d1091f5c8ebb3c3e9790ea5ba1dc9071efe361108dacb
Status:
ERROR
Block height:
40159312
Block id:
2a35e10d7ee44feb6ce216317b384d89f0a5767f9810714390037a70ebb877ed
Timestamp:
Wednesday 2 November 2022 at 10:01:41 UTC
()
Proposer:
Authorizers:
Gas used:
46