Flow price: --
d99c53d5238275c2600dcd8045560280a18ba506e42a11c877f0fd15f995d7f5

Transaction

Hash: d99c53d5238275c2600dcd8045560280a18ba506e42a11c877f0fd15f995d7f5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d99c53d5238275c2600dcd8045560280a18ba506e42a11c877f0fd15f995d7f5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d99c53d5238275c2600dcd8045560280a18ba506e42a11c877f0fd15f995d7f5
Status:
ERROR
Block height:
40007711
Block id:
aae2f3c3afe443ae8335e74b8ec7a35e62f66404c9f0f1ec5d3aff943d46403c
Timestamp:
Sunday 30 October 2022 at 20:50:51 UTC
()
Proposer:
Authorizers:
Gas used:
46