Flow price: --
e9585137cf85a76fb6ed014600bd8ea8834f937950e5ddf00c0c9f5644c8ce08

Transaction

Hash: e9585137cf85a76fb6ed014600bd8ea8834f937950e5ddf00c0c9f5644c8ce08
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e9585137cf85a76fb6ed014600bd8ea8834f937950e5ddf00c0c9f5644c8ce08:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e9585137cf85a76fb6ed014600bd8ea8834f937950e5ddf00c0c9f5644c8ce08
Status:
ERROR
Block height:
40129066
Block id:
9de5c2d643e71bab1cfe274c44ae7f4c03a4f885cef58ded86af505d96fb60ee
Timestamp:
Tuesday 1 November 2022 at 21:43:08 UTC
()
Proposer:
Authorizers:
Gas used:
47