Flow price: --
11e0585cec866a12330da597d53163b476ee951b70dc1baba7f2054fd488ff31

Transaction

Hash: 11e0585cec866a12330da597d53163b476ee951b70dc1baba7f2054fd488ff31
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 11e0585cec866a12330da597d53163b476ee951b70dc1baba7f2054fd488ff31:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
11e0585cec866a12330da597d53163b476ee951b70dc1baba7f2054fd488ff31
Status:
ERROR
Block height:
39863178
Block id:
02774f6135726da8a342b9c5b3b192bbbb0f9447c2b35104418ba21a7dba60ee
Timestamp:
Friday 28 October 2022 at 11:05:15 UTC
()
Proposer:
Authorizers:
Gas used:
47