Flow price: --
568aca6fd87fe3fb5b04363b943aacb580cfa82f8bf19efbdcb11e37f7b255c5

Transaction

Hash: 568aca6fd87fe3fb5b04363b943aacb580cfa82f8bf19efbdcb11e37f7b255c5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 568aca6fd87fe3fb5b04363b943aacb580cfa82f8bf19efbdcb11e37f7b255c5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
568aca6fd87fe3fb5b04363b943aacb580cfa82f8bf19efbdcb11e37f7b255c5
Status:
ERROR
Block height:
39855302
Block id:
3305d5c8ad3913f2987bf5f1bc909580b80a74808f7e3bee1ba2a7d98be4ec59
Timestamp:
Friday 28 October 2022 at 07:55:44 UTC
()
Proposer:
Authorizers:
Gas used:
46