Flow price: --
589d3c1703478a8f3e35b062f1dc5aa83f9ee3f9a9b8d600bd4258bcbf151880

Transaction

Hash: 589d3c1703478a8f3e35b062f1dc5aa83f9ee3f9a9b8d600bd4258bcbf151880
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 589d3c1703478a8f3e35b062f1dc5aa83f9ee3f9a9b8d600bd4258bcbf151880:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
589d3c1703478a8f3e35b062f1dc5aa83f9ee3f9a9b8d600bd4258bcbf151880
Status:
ERROR
Block height:
40128160
Block id:
e85a255055a266bc4fa910b05999da613a2e70a093b0aee1027cf6bf309195fc
Timestamp:
Tuesday 1 November 2022 at 21:21:08 UTC
()
Proposer:
Authorizers:
Gas used:
46