Flow price: --
237af851111bced85a721aa5a445c6719799b7d81b6ff7b58f68fd9cb1050afd

Transaction

Hash: 237af851111bced85a721aa5a445c6719799b7d81b6ff7b58f68fd9cb1050afd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 237af851111bced85a721aa5a445c6719799b7d81b6ff7b58f68fd9cb1050afd: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:
237af851111bced85a721aa5a445c6719799b7d81b6ff7b58f68fd9cb1050afd
Status:
ERROR
Block height:
40112461
Block id:
9c8904cbe406dd13187baa36feb52cc40ea82f2a81ed3067bc9492a283e4f572
Timestamp:
Tuesday 1 November 2022 at 14:57:46 UTC
()
Proposer:
Authorizers:
Gas used:
50