Flow price: --
c678bc0a90525b4542ecd4d222feb564d360998c4ad6a4a77f5dbec8900fe336

Transaction

Hash: c678bc0a90525b4542ecd4d222feb564d360998c4ad6a4a77f5dbec8900fe336
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c678bc0a90525b4542ecd4d222feb564d360998c4ad6a4a77f5dbec8900fe336:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c678bc0a90525b4542ecd4d222feb564d360998c4ad6a4a77f5dbec8900fe336
Status:
ERROR
Block height:
40032549
Block id:
fcfeca4c2ef061f93ae5faebbb38d68b2c63257ab4db954a240af76364198326
Timestamp:
Monday 31 October 2022 at 06:45:00 UTC
()
Proposer:
Authorizers:
Gas used:
47