Flow price: --
b88d46de118d690020b81f2018999aef15671e4342cb5e890e33c2f15e1b2f7e

Transaction

Hash: b88d46de118d690020b81f2018999aef15671e4342cb5e890e33c2f15e1b2f7e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b88d46de118d690020b81f2018999aef15671e4342cb5e890e33c2f15e1b2f7e: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:
b88d46de118d690020b81f2018999aef15671e4342cb5e890e33c2f15e1b2f7e
Status:
ERROR
Block height:
40166196
Block id:
84ab9655bf85f59e3888ddb957989605e85c5d47c2210d427368132b8fb4d04d
Timestamp:
Wednesday 2 November 2022 at 12:48:15 UTC
()
Proposer:
Authorizers:
Gas used:
46