Flow price: --
30e699bc6bc8eb7494cc5a9fda67e956f6bbe18b8e0a7977ebc58687fdcb4cf7

Transaction

Hash: 30e699bc6bc8eb7494cc5a9fda67e956f6bbe18b8e0a7977ebc58687fdcb4cf7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 30e699bc6bc8eb7494cc5a9fda67e956f6bbe18b8e0a7977ebc58687fdcb4cf7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
30e699bc6bc8eb7494cc5a9fda67e956f6bbe18b8e0a7977ebc58687fdcb4cf7
Status:
ERROR
Block height:
40049327
Block id:
d1c4e6a0eac64c79466d432a2f177e288d95fbbe243134c4bf91294885abc66c
Timestamp:
Monday 31 October 2022 at 13:29:49 UTC
()
Proposer:
Authorizers:
Gas used:
50