Flow price: --
2f1951ba8e7316e64412ba6d8f043378f7efa19bad3a1caff2c24fe65e80ce63

Transaction

Hash: 2f1951ba8e7316e64412ba6d8f043378f7efa19bad3a1caff2c24fe65e80ce63
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2f1951ba8e7316e64412ba6d8f043378f7efa19bad3a1caff2c24fe65e80ce63:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2f1951ba8e7316e64412ba6d8f043378f7efa19bad3a1caff2c24fe65e80ce63
Status:
ERROR
Block height:
40106031
Block id:
4036687c1e8da1dd0f94ad005fdfc0609d12d22615040710fb96e9c8149f11ee
Timestamp:
Tuesday 1 November 2022 at 12:21:42 UTC
()
Proposer:
Authorizers:
Gas used:
50