Flow price: --
7abf1b5d6e83bd78a4c51d132587b12e61265ed73ccd8db76c5d9c981b6478b2

Transaction

Hash: 7abf1b5d6e83bd78a4c51d132587b12e61265ed73ccd8db76c5d9c981b6478b2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7abf1b5d6e83bd78a4c51d132587b12e61265ed73ccd8db76c5d9c981b6478b2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7abf1b5d6e83bd78a4c51d132587b12e61265ed73ccd8db76c5d9c981b6478b2
Status:
ERROR
Block height:
40099591
Block id:
5d46df7d528fff34bd1b6ec79b1aa07a2b3972721b7ef14ecee9372e4b23e60b
Timestamp:
Tuesday 1 November 2022 at 09:45:22 UTC
()
Proposer:
Authorizers:
Gas used:
48