Flow price: --
64de14d257d55cc85ee9f9a6c68efd3f3f9cb202d777d94bfd9dd7a6d44b89bc

Transaction

Hash: 64de14d257d55cc85ee9f9a6c68efd3f3f9cb202d777d94bfd9dd7a6d44b89bc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 64de14d257d55cc85ee9f9a6c68efd3f3f9cb202d777d94bfd9dd7a6d44b89bc: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:
64de14d257d55cc85ee9f9a6c68efd3f3f9cb202d777d94bfd9dd7a6d44b89bc
Status:
ERROR
Block height:
40083366
Block id:
7898c7f792a7ebfc04cd0c08741c88da6056a0b3486e63d192b2077a27e8f5a9
Timestamp:
Tuesday 1 November 2022 at 03:09:17 UTC
()
Proposer:
Authorizers:
Gas used:
46