Flow price: --
922370fe68f47b545e58c93e85a44f32d78ff54488870a58de3a39f41cb8c534

Transaction

Hash: 922370fe68f47b545e58c93e85a44f32d78ff54488870a58de3a39f41cb8c534
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 922370fe68f47b545e58c93e85a44f32d78ff54488870a58de3a39f41cb8c534:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
922370fe68f47b545e58c93e85a44f32d78ff54488870a58de3a39f41cb8c534
Status:
ERROR
Block height:
40080194
Block id:
e955c04c3436f132623298d324b7681d962a66243e1203a67c1e9b6b1085629f
Timestamp:
Tuesday 1 November 2022 at 01:52:18 UTC
()
Proposer:
Authorizers:
Gas used:
45