Flow price: --
a90359f13af5b201cac45d6f140fc7576bfbae2e692b5b6083e312fb7daa2211

Transaction

Hash: a90359f13af5b201cac45d6f140fc7576bfbae2e692b5b6083e312fb7daa2211
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a90359f13af5b201cac45d6f140fc7576bfbae2e692b5b6083e312fb7daa2211:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a90359f13af5b201cac45d6f140fc7576bfbae2e692b5b6083e312fb7daa2211
Status:
ERROR
Block height:
40024256
Block id:
3465b6a2abba0a16c82969b072d6518777729bc954d9df6e30d4f04db101b9ca
Timestamp:
Monday 31 October 2022 at 03:24:09 UTC
()
Proposer:
Authorizers:
Gas used:
47