Flow price: --
ffc5a66971b25321473aae50dc4ad45e917e501d499a7e69cf32f090226e7cd3

Transaction

Hash: ffc5a66971b25321473aae50dc4ad45e917e501d499a7e69cf32f090226e7cd3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ffc5a66971b25321473aae50dc4ad45e917e501d499a7e69cf32f090226e7cd3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ffc5a66971b25321473aae50dc4ad45e917e501d499a7e69cf32f090226e7cd3
Status:
ERROR
Block height:
40165662
Block id:
6877da622f61107d43b63b41934c5cb7578a8db717c860197925271fa6ebc31a
Timestamp:
Wednesday 2 November 2022 at 12:35:39 UTC
()
Proposer:
Authorizers:
Gas used:
47