Flow price: --
a308e5c94ab209767269d9cc367a39c974d626a402b0d1a7015f2235cc1e0892

Transaction

Hash: a308e5c94ab209767269d9cc367a39c974d626a402b0d1a7015f2235cc1e0892
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a308e5c94ab209767269d9cc367a39c974d626a402b0d1a7015f2235cc1e0892:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a308e5c94ab209767269d9cc367a39c974d626a402b0d1a7015f2235cc1e0892
Status:
ERROR
Block height:
40104036
Block id:
e467e8c99d0c78e0fc3c9c761015303adb844ccb64dc77de657bd18c94904f25
Timestamp:
Tuesday 1 November 2022 at 11:33:18 UTC
()
Proposer:
Authorizers:
Gas used:
52