Flow price: --
b9536cab8b8e3a0273b02b002f62cf98112f0939505c4c83e580529dd24dc5b1

Transaction

Hash: b9536cab8b8e3a0273b02b002f62cf98112f0939505c4c83e580529dd24dc5b1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b9536cab8b8e3a0273b02b002f62cf98112f0939505c4c83e580529dd24dc5b1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b9536cab8b8e3a0273b02b002f62cf98112f0939505c4c83e580529dd24dc5b1
Status:
ERROR
Block height:
40030927
Block id:
38d05986b36628588bc5a029d2b7f813bdaf079d96d8622753339e7d03f69582
Timestamp:
Monday 31 October 2022 at 06:05:41 UTC
()
Proposer:
Authorizers:
Gas used:
47