Flow price: --
5fc5cc5d81b41c664ab6dc0fbc9e5a7e2bdf00bc992b4c9f7e0a0c05a64ee55c

Transaction

Hash: 5fc5cc5d81b41c664ab6dc0fbc9e5a7e2bdf00bc992b4c9f7e0a0c05a64ee55c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5fc5cc5d81b41c664ab6dc0fbc9e5a7e2bdf00bc992b4c9f7e0a0c05a64ee55c: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:
5fc5cc5d81b41c664ab6dc0fbc9e5a7e2bdf00bc992b4c9f7e0a0c05a64ee55c
Status:
ERROR
Block height:
40083112
Block id:
9e77e6e4417d6d6a9dbd84b4dee3039e5bb04b72575e73f5652762066a01356a
Timestamp:
Tuesday 1 November 2022 at 03:03:11 UTC
()
Proposer:
Authorizers:
Gas used:
46