Flow price: --
2d4b4499a85de03823020ab33d640dde6606fa13e61e795ce396a1b1dcbcb1b9

Transaction

Hash: 2d4b4499a85de03823020ab33d640dde6606fa13e61e795ce396a1b1dcbcb1b9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2d4b4499a85de03823020ab33d640dde6606fa13e61e795ce396a1b1dcbcb1b9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2d4b4499a85de03823020ab33d640dde6606fa13e61e795ce396a1b1dcbcb1b9
Status:
ERROR
Block height:
39748363
Block id:
9156d0a5e77a14236118afe6b03f96a00cf26da74e57621583f27e8e199e3721
Timestamp:
Wednesday 26 October 2022 at 12:47:42 UTC
()
Proposer:
Authorizers:
Gas used:
51