Flow price: --
ab01a3f9617f99a824401992fe1cd03686db15a471d501a8bf8dacc5ba4a2420

Transaction

Hash: ab01a3f9617f99a824401992fe1cd03686db15a471d501a8bf8dacc5ba4a2420
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ab01a3f9617f99a824401992fe1cd03686db15a471d501a8bf8dacc5ba4a2420:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ab01a3f9617f99a824401992fe1cd03686db15a471d501a8bf8dacc5ba4a2420
Status:
ERROR
Block height:
39991522
Block id:
79bfae730838d0b5a7e90c06176484f0ad78a90ebd8ee331aca67b19c54c2f64
Timestamp:
Sunday 30 October 2022 at 14:22:00 UTC
()
Proposer:
Authorizers:
Gas used:
50