Flow price: --
13070611fa00147e256e9ce34ad5cf95483ffd69130cab0d0fc49415ad5cbf98

Transaction

Hash: 13070611fa00147e256e9ce34ad5cf95483ffd69130cab0d0fc49415ad5cbf98
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 13070611fa00147e256e9ce34ad5cf95483ffd69130cab0d0fc49415ad5cbf98:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
13070611fa00147e256e9ce34ad5cf95483ffd69130cab0d0fc49415ad5cbf98
Status:
ERROR
Block height:
40109045
Block id:
a331f731fb5c67cb7025491e7f070ed9ebea2f8bbcc0e509b9629a63984ca696
Timestamp:
Tuesday 1 November 2022 at 13:34:33 UTC
()
Proposer:
Authorizers:
Gas used:
50