Flow price: --
583eb9fdc5fbb9bcbeb7d1d1f46dcf119ea790f5693416e0cf4c5261605fdcb5

Transaction

Hash: 583eb9fdc5fbb9bcbeb7d1d1f46dcf119ea790f5693416e0cf4c5261605fdcb5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 583eb9fdc5fbb9bcbeb7d1d1f46dcf119ea790f5693416e0cf4c5261605fdcb5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
583eb9fdc5fbb9bcbeb7d1d1f46dcf119ea790f5693416e0cf4c5261605fdcb5
Status:
ERROR
Block height:
39894758
Block id:
5f032129d8f72fd59b2c6295bf275bb139b619b6e9dab4a02fa557707d640968
Timestamp:
Friday 28 October 2022 at 23:41:01 UTC
()
Proposer:
Authorizers:
Gas used:
50