Flow price: --
3838c0a4bcd4defd3cece8cdf1b3d85af6dbc82d70e295bce4fb9706bd11536c

Transaction

Hash: 3838c0a4bcd4defd3cece8cdf1b3d85af6dbc82d70e295bce4fb9706bd11536c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3838c0a4bcd4defd3cece8cdf1b3d85af6dbc82d70e295bce4fb9706bd11536c: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:
3838c0a4bcd4defd3cece8cdf1b3d85af6dbc82d70e295bce4fb9706bd11536c
Status:
ERROR
Block height:
40158185
Block id:
a0912df324837f6a59ebe721e410e47f1749842cabcca47fe0210df525b19223
Timestamp:
Wednesday 2 November 2022 at 09:33:59 UTC
()
Proposer:
Authorizers:
Gas used:
50