Flow price: --
949a6241773d6e2aaacf50e0d498aa30872ea8e1f368b8d26978b47600b571cc

Transaction

Hash: 949a6241773d6e2aaacf50e0d498aa30872ea8e1f368b8d26978b47600b571cc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 949a6241773d6e2aaacf50e0d498aa30872ea8e1f368b8d26978b47600b571cc: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:
949a6241773d6e2aaacf50e0d498aa30872ea8e1f368b8d26978b47600b571cc
Status:
ERROR
Block height:
40132179
Block id:
98fb6e5d4433c10e6bcf42d187439ab49b823dab989e710bec44d31c96a7c61b
Timestamp:
Tuesday 1 November 2022 at 23:00:07 UTC
()
Proposer:
Authorizers:
Gas used:
47