Flow price: --
a3691c0b377576bb1b30e86f774ed2e5ed424a0cfadeeb67f72e81735feca177

Transaction

Hash: a3691c0b377576bb1b30e86f774ed2e5ed424a0cfadeeb67f72e81735feca177
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a3691c0b377576bb1b30e86f774ed2e5ed424a0cfadeeb67f72e81735feca177:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a3691c0b377576bb1b30e86f774ed2e5ed424a0cfadeeb67f72e81735feca177
Status:
ERROR
Block height:
39897056
Block id:
4992cd0dfaa4f39fda1e311c7d819048f7c059afd7e3370c301af8a88ee85331
Timestamp:
Saturday 29 October 2022 at 00:35:36 UTC
()
Proposer:
Authorizers:
Gas used:
47