Flow price: --
1576748c6b113b99162cae8806d4cbd2e95c4731f02a4bfe28d0911792ca7589

Transaction

Hash: 1576748c6b113b99162cae8806d4cbd2e95c4731f02a4bfe28d0911792ca7589
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1576748c6b113b99162cae8806d4cbd2e95c4731f02a4bfe28d0911792ca7589:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1576748c6b113b99162cae8806d4cbd2e95c4731f02a4bfe28d0911792ca7589
Status:
ERROR
Block height:
40034108
Block id:
46c45b44774992aaf0b581cb6a6f9b2b5cfe64d1211ebf86c83be24ebb859793
Timestamp:
Monday 31 October 2022 at 07:22:34 UTC
()
Proposer:
Authorizers:
Gas used:
49