Flow price: --
f2d7ac49eb3e5862fb6b07be528af8b0a45f493a4a1ea6534af28207d4236c89

Transaction

Hash: f2d7ac49eb3e5862fb6b07be528af8b0a45f493a4a1ea6534af28207d4236c89
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f2d7ac49eb3e5862fb6b07be528af8b0a45f493a4a1ea6534af28207d4236c89:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f2d7ac49eb3e5862fb6b07be528af8b0a45f493a4a1ea6534af28207d4236c89
Status:
ERROR
Block height:
40067202
Block id:
94a0b044a506fc4ce12363a8f3e2a3e3fd7748a9365f835929eb03d679253602
Timestamp:
Monday 31 October 2022 at 20:43:17 UTC
()
Proposer:
Authorizers:
Gas used:
46