Flow price: --
b4b39467a61ff7170518db05fa867866f36c478011bb2fb81e81b269ca9e939c

Transaction

Hash: b4b39467a61ff7170518db05fa867866f36c478011bb2fb81e81b269ca9e939c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b4b39467a61ff7170518db05fa867866f36c478011bb2fb81e81b269ca9e939c: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:
b4b39467a61ff7170518db05fa867866f36c478011bb2fb81e81b269ca9e939c
Status:
ERROR
Block height:
40146934
Block id:
999d173a3ffbec063e068f3e78f29be73ddbbac079501308ad85706abcf72f10
Timestamp:
Wednesday 2 November 2022 at 04:59:27 UTC
()
Proposer:
Authorizers:
Gas used:
47