Flow price: --
d6f2a2d7d402aed0cfb3e9691a78d22e70035703a5c391908a6ff02573f3be20

Transaction

Hash: d6f2a2d7d402aed0cfb3e9691a78d22e70035703a5c391908a6ff02573f3be20
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d6f2a2d7d402aed0cfb3e9691a78d22e70035703a5c391908a6ff02573f3be20:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d6f2a2d7d402aed0cfb3e9691a78d22e70035703a5c391908a6ff02573f3be20
Status:
ERROR
Block height:
40031149
Block id:
db28481c5ded115392f433d7021c08f044612b377fbd4f1b66e8fe4e51bb2658
Timestamp:
Monday 31 October 2022 at 06:11:19 UTC
()
Proposer:
Authorizers:
Gas used:
50