Flow price: --
c82e49b64ddd0350904a72e1213627427f08f2c87dd16a8169c7bacc0e9f3b3b

Transaction

Hash: c82e49b64ddd0350904a72e1213627427f08f2c87dd16a8169c7bacc0e9f3b3b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c82e49b64ddd0350904a72e1213627427f08f2c87dd16a8169c7bacc0e9f3b3b: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:
c82e49b64ddd0350904a72e1213627427f08f2c87dd16a8169c7bacc0e9f3b3b
Status:
ERROR
Block height:
40120667
Block id:
7072066bc27f0cfb28f430f39474b87e7cc187f067c4c76cece91f76b14a6041
Timestamp:
Tuesday 1 November 2022 at 18:17:34 UTC
()
Proposer:
Authorizers:
Gas used:
46