Flow price: --
bc0bc9a8e6063a678995ff1a11ce7ba79b0e65c33e7e32fee50d7f933f22f983

Transaction

Hash: bc0bc9a8e6063a678995ff1a11ce7ba79b0e65c33e7e32fee50d7f933f22f983
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bc0bc9a8e6063a678995ff1a11ce7ba79b0e65c33e7e32fee50d7f933f22f983:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bc0bc9a8e6063a678995ff1a11ce7ba79b0e65c33e7e32fee50d7f933f22f983
Status:
ERROR
Block height:
39971808
Block id:
a3cd761b68bbfa992f2e6ae2c74191f131e319c1e7043dd404d76503ebec0dd0
Timestamp:
Sunday 30 October 2022 at 06:29:07 UTC
()
Proposer:
Authorizers:
Gas used:
48