Flow price: --
7978c45e8ddcb6d491242a42f0bb4d3a692ed514ccd2c2bec98a944a44a265ec

Transaction

Hash: 7978c45e8ddcb6d491242a42f0bb4d3a692ed514ccd2c2bec98a944a44a265ec
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7978c45e8ddcb6d491242a42f0bb4d3a692ed514ccd2c2bec98a944a44a265ec: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:
7978c45e8ddcb6d491242a42f0bb4d3a692ed514ccd2c2bec98a944a44a265ec
Status:
ERROR
Block height:
40084584
Block id:
9e2f9934dc44290505e2e61d77edb9fde9823ab053e5f5e0414e69885bf986dc
Timestamp:
Tuesday 1 November 2022 at 03:38:58 UTC
()
Proposer:
Authorizers:
Gas used:
42