Flow price: --
d5bcd8a05d54b87953ea8c7cb5cea84b90b0d72ba851cac3f195950f623c5538

Transaction

Hash: d5bcd8a05d54b87953ea8c7cb5cea84b90b0d72ba851cac3f195950f623c5538
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d5bcd8a05d54b87953ea8c7cb5cea84b90b0d72ba851cac3f195950f623c5538:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d5bcd8a05d54b87953ea8c7cb5cea84b90b0d72ba851cac3f195950f623c5538
Status:
ERROR
Block height:
40083133
Block id:
dadd7ead0c7fe987006c0a7a58d7fec4d740602a7ff511e2f1a56c4843fb9c0c
Timestamp:
Tuesday 1 November 2022 at 03:03:39 UTC
()
Proposer:
Authorizers:
Gas used:
46