Flow price: --
d72470fd39330d16999a5fb951be197d5aee699abbbef075c25cc7e1c6aadc78

Transaction

Hash: d72470fd39330d16999a5fb951be197d5aee699abbbef075c25cc7e1c6aadc78
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d72470fd39330d16999a5fb951be197d5aee699abbbef075c25cc7e1c6aadc78:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d72470fd39330d16999a5fb951be197d5aee699abbbef075c25cc7e1c6aadc78
Status:
ERROR
Block height:
40127570
Block id:
4b503269c519ee421525957ceda1202398a477592fa72083cb875f0c5bde1623
Timestamp:
Tuesday 1 November 2022 at 21:06:36 UTC
()
Proposer:
Authorizers:
Gas used:
48