Flow price: --
29f9b8374f4b77e672902580c1faaf2961bf418759d047e86e5a0a086492f5b6

Transaction

Hash: 29f9b8374f4b77e672902580c1faaf2961bf418759d047e86e5a0a086492f5b6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 29f9b8374f4b77e672902580c1faaf2961bf418759d047e86e5a0a086492f5b6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
29f9b8374f4b77e672902580c1faaf2961bf418759d047e86e5a0a086492f5b6
Status:
ERROR
Block height:
40107240
Block id:
1f08328eb1f9d7dc0d3d564e9c01a1b7543cd0881e032802731b325fe51a1f5d
Timestamp:
Tuesday 1 November 2022 at 12:50:54 UTC
()
Proposer:
Authorizers:
Gas used:
47