Flow price: --
438b5769a261407b0639cc4616ce3a5a1f8c20ee3b9995f6dde9e45fd0b74b84

Transaction

Hash: 438b5769a261407b0639cc4616ce3a5a1f8c20ee3b9995f6dde9e45fd0b74b84
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 438b5769a261407b0639cc4616ce3a5a1f8c20ee3b9995f6dde9e45fd0b74b84:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
438b5769a261407b0639cc4616ce3a5a1f8c20ee3b9995f6dde9e45fd0b74b84
Status:
ERROR
Block height:
39801985
Block id:
a5cab9d1f79ca6d9a269156d77a0edb07b47589a8a99497277a15b983a790b9c
Timestamp:
Thursday 27 October 2022 at 10:22:59 UTC
()
Proposer:
Authorizers:
Gas used:
52