Flow price: --
c2ec0aa765253e1de38081611aa161d91b971f28fab8c8902acc387a91219329

Transaction

Hash: c2ec0aa765253e1de38081611aa161d91b971f28fab8c8902acc387a91219329
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c2ec0aa765253e1de38081611aa161d91b971f28fab8c8902acc387a91219329:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c2ec0aa765253e1de38081611aa161d91b971f28fab8c8902acc387a91219329
Status:
ERROR
Block height:
40094821
Block id:
e1a2310cb6d5b8dc82bb6c0c7131d405b56f80d1a843f3f7901472b03a548a58
Timestamp:
Tuesday 1 November 2022 at 07:49:06 UTC
()
Proposer:
Authorizers:
Gas used:
47