Flow price: --
1b2d1471e0ec2193c7deb7583108d7c5d1385cf6a3679bd68471eab337e862de

Transaction

Hash: 1b2d1471e0ec2193c7deb7583108d7c5d1385cf6a3679bd68471eab337e862de
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1b2d1471e0ec2193c7deb7583108d7c5d1385cf6a3679bd68471eab337e862de: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:
1b2d1471e0ec2193c7deb7583108d7c5d1385cf6a3679bd68471eab337e862de
Status:
ERROR
Block height:
40040354
Block id:
75f9b5b0f7e278ea1d782368ab9cfbd227677849be1c26ff9dddb13da37a87f1
Timestamp:
Monday 31 October 2022 at 09:52:29 UTC
()
Proposer:
Authorizers:
Gas used:
50