Flow price: --
c72e5d8f5ce0812700004c81d555d191ad7d878e4ce34bfcfe18456487e89094

Transaction

Hash: c72e5d8f5ce0812700004c81d555d191ad7d878e4ce34bfcfe18456487e89094
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c72e5d8f5ce0812700004c81d555d191ad7d878e4ce34bfcfe18456487e89094:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c72e5d8f5ce0812700004c81d555d191ad7d878e4ce34bfcfe18456487e89094
Status:
ERROR
Block height:
40114402
Block id:
b71453d7ba96d01e27e1191411f2b6e8e8b9d75bd24ed0e0791f16800d0a9174
Timestamp:
Tuesday 1 November 2022 at 15:44:45 UTC
()
Proposer:
Authorizers:
Gas used:
47