Flow price: --
a280df1238621eecac35622000ab3d2299650313e6a3d2c42e8e1cc47906971c

Transaction

Hash: a280df1238621eecac35622000ab3d2299650313e6a3d2c42e8e1cc47906971c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a280df1238621eecac35622000ab3d2299650313e6a3d2c42e8e1cc47906971c: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:
a280df1238621eecac35622000ab3d2299650313e6a3d2c42e8e1cc47906971c
Status:
ERROR
Block height:
40042773
Block id:
f0e6d865d7bd499dbaf9310f26f7ee9bfde4815472585a3a84d0b62490d7235c
Timestamp:
Monday 31 October 2022 at 10:51:21 UTC
()
Proposer:
Authorizers:
Gas used:
49