Flow price: --
a9e86857cb2985b57acfeb2b859adc15246e9db65343606dcc354f2ff2784b4c

Transaction

Hash: a9e86857cb2985b57acfeb2b859adc15246e9db65343606dcc354f2ff2784b4c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a9e86857cb2985b57acfeb2b859adc15246e9db65343606dcc354f2ff2784b4c: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:
a9e86857cb2985b57acfeb2b859adc15246e9db65343606dcc354f2ff2784b4c
Status:
ERROR
Block height:
39809648
Block id:
d23dfd63a12fbd5ebc1d157260f54242b3e9f9b384f2da83f16358c2514aa66b
Timestamp:
Thursday 27 October 2022 at 13:29:22 UTC
()
Proposer:
Authorizers:
Gas used:
49