Flow price: --
e881ec9431aabbcd47557e098fba6e16bc0a89a15f3bde0e4b13e28d2c061cd6

Transaction

Hash: e881ec9431aabbcd47557e098fba6e16bc0a89a15f3bde0e4b13e28d2c061cd6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e881ec9431aabbcd47557e098fba6e16bc0a89a15f3bde0e4b13e28d2c061cd6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e881ec9431aabbcd47557e098fba6e16bc0a89a15f3bde0e4b13e28d2c061cd6
Status:
ERROR
Block height:
40101935
Block id:
eb24b5738cc28ce8036f335d29b0e2d45ddbe7d511f2450dd38b54f7fd68b62a
Timestamp:
Tuesday 1 November 2022 at 10:41:58 UTC
()
Proposer:
Authorizers:
Gas used:
46