Flow price: --
137815aa53b15de557db67e1646729f668acbf6799bcb2e27997531a2bac1207

Transaction

Hash: 137815aa53b15de557db67e1646729f668acbf6799bcb2e27997531a2bac1207
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 137815aa53b15de557db67e1646729f668acbf6799bcb2e27997531a2bac1207:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
137815aa53b15de557db67e1646729f668acbf6799bcb2e27997531a2bac1207
Status:
ERROR
Block height:
40124143
Block id:
5432686a155bbd0a167ba8c241e95144b748abdfd64967f205c3fba956b17922
Timestamp:
Tuesday 1 November 2022 at 19:42:13 UTC
()
Proposer:
Authorizers:
Gas used:
47