Flow price: --
1ba5be9b308d83c21290ef7ace997bf7961f00a5f5aef8da4300723941b42fdc

Transaction

Hash: 1ba5be9b308d83c21290ef7ace997bf7961f00a5f5aef8da4300723941b42fdc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1ba5be9b308d83c21290ef7ace997bf7961f00a5f5aef8da4300723941b42fdc: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:
1ba5be9b308d83c21290ef7ace997bf7961f00a5f5aef8da4300723941b42fdc
Status:
ERROR
Block height:
39862589
Block id:
202e0c4aeecea59429c42cb23d375440f385cbfa526c77691ceae7cd2833ffd0
Timestamp:
Friday 28 October 2022 at 10:51:02 UTC
()
Proposer:
Authorizers:
Gas used:
50