Flow price: --
c87cf205f1be5848300087610b42e1a036c67e2d45a9fe654278a8e50f595025

Transaction

Hash: c87cf205f1be5848300087610b42e1a036c67e2d45a9fe654278a8e50f595025
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c87cf205f1be5848300087610b42e1a036c67e2d45a9fe654278a8e50f595025:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c87cf205f1be5848300087610b42e1a036c67e2d45a9fe654278a8e50f595025
Status:
ERROR
Block height:
40093950
Block id:
fce3a51a7dd51acf6ac97170eb1eedc27fa63c9e4c6d84babd652019f3859443
Timestamp:
Tuesday 1 November 2022 at 07:27:50 UTC
()
Proposer:
Authorizers:
Gas used:
54