Flow price: --
a70c06db89ae16e94096e61f3781a5bd0a5175e890ff7e4086a3bc0a9f0a63f3

Transaction

Hash: a70c06db89ae16e94096e61f3781a5bd0a5175e890ff7e4086a3bc0a9f0a63f3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a70c06db89ae16e94096e61f3781a5bd0a5175e890ff7e4086a3bc0a9f0a63f3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a70c06db89ae16e94096e61f3781a5bd0a5175e890ff7e4086a3bc0a9f0a63f3
Status:
ERROR
Block height:
40124456
Block id:
cedc85d08c747ee5202a4eb40ab2408c30f68687c5836baa439c917102b799b8
Timestamp:
Tuesday 1 November 2022 at 19:49:47 UTC
()
Proposer:
Authorizers:
Gas used:
46