Flow price: --
db8e70d6146b4a5955d24a614f85acad812995857a093b9743d0eb9266e4f7b8

Transaction

Hash: db8e70d6146b4a5955d24a614f85acad812995857a093b9743d0eb9266e4f7b8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> db8e70d6146b4a5955d24a614f85acad812995857a093b9743d0eb9266e4f7b8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
db8e70d6146b4a5955d24a614f85acad812995857a093b9743d0eb9266e4f7b8
Status:
ERROR
Block height:
40101601
Block id:
300bb4d5fe9985d694d38fb571ff43bf0b1b9d339d7ee40c62f96a6d65bafe9d
Timestamp:
Tuesday 1 November 2022 at 10:33:57 UTC
()
Proposer:
Authorizers:
Gas used:
62