Flow price: --
d100f566b63ab4a6d8325141a3ae2905bb2bce91952abae02e292fcee6484732

Transaction

Hash: d100f566b63ab4a6d8325141a3ae2905bb2bce91952abae02e292fcee6484732
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d100f566b63ab4a6d8325141a3ae2905bb2bce91952abae02e292fcee6484732:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d100f566b63ab4a6d8325141a3ae2905bb2bce91952abae02e292fcee6484732
Status:
ERROR
Block height:
40101426
Block id:
095faf961fc749efad0a5156f907c945b2ec2a8005537e5dca00792dc0a09410
Timestamp:
Tuesday 1 November 2022 at 10:29:39 UTC
()
Proposer:
Authorizers:
Gas used:
47