Flow price: --
c66c80e6b1cb8d16188ef6a0a6da683e108c31d37b2989e441a20b0445696403

Transaction

Hash: c66c80e6b1cb8d16188ef6a0a6da683e108c31d37b2989e441a20b0445696403
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c66c80e6b1cb8d16188ef6a0a6da683e108c31d37b2989e441a20b0445696403:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c66c80e6b1cb8d16188ef6a0a6da683e108c31d37b2989e441a20b0445696403
Status:
ERROR
Block height:
39911368
Block id:
eff4efd0b6b7afd48d7cf95b7fb999d0d09da46f421dc054eaae41ebb2f29763
Timestamp:
Saturday 29 October 2022 at 06:18:54 UTC
()
Proposer:
Authorizers:
Gas used:
47