Flow price: --
c74e76316aee25ddada7bc90f390edd80dbd46426af8c66abb2019000cfa2028

Transaction

Hash: c74e76316aee25ddada7bc90f390edd80dbd46426af8c66abb2019000cfa2028
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c74e76316aee25ddada7bc90f390edd80dbd46426af8c66abb2019000cfa2028:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c74e76316aee25ddada7bc90f390edd80dbd46426af8c66abb2019000cfa2028
Status:
ERROR
Block height:
40149708
Block id:
f06ed55a175969a9e70ad58e758e3bb399aa87d82aa3a05e6c75a6e1130b3ebe
Timestamp:
Wednesday 2 November 2022 at 06:07:01 UTC
()
Proposer:
Authorizers:
Gas used:
47