Flow price: --
685a610f47ec4e9b3a5c9131f32c22052fd87cf30ec64112259be0290b683edc

Transaction

Hash: 685a610f47ec4e9b3a5c9131f32c22052fd87cf30ec64112259be0290b683edc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 685a610f47ec4e9b3a5c9131f32c22052fd87cf30ec64112259be0290b683edc: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:
685a610f47ec4e9b3a5c9131f32c22052fd87cf30ec64112259be0290b683edc
Status:
ERROR
Block height:
39847211
Block id:
fe4fe5ef1508e384827417e01b542c8279ae3e9c02d0344628c2907e3c8e4723
Timestamp:
Friday 28 October 2022 at 04:37:55 UTC
()
Proposer:
Authorizers:
Gas used:
47