Flow price: --
80b441f7824e9564afd6f443e9e5658f84fa4ec5dde23b73db000255f93e6845

Transaction

Hash: 80b441f7824e9564afd6f443e9e5658f84fa4ec5dde23b73db000255f93e6845
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 80b441f7824e9564afd6f443e9e5658f84fa4ec5dde23b73db000255f93e6845:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
80b441f7824e9564afd6f443e9e5658f84fa4ec5dde23b73db000255f93e6845
Status:
ERROR
Block height:
40149018
Block id:
2f5932ee6aa82b20b503be6922b7c93e7cac82fc8d9858bf5c10595f440a7275
Timestamp:
Wednesday 2 November 2022 at 05:49:57 UTC
()
Proposer:
Authorizers:
Gas used:
52