Flow price: --
b33b55148dcf5949b01ba1d3cee01a0639c44560803e8a8d2a21238e47522620

Transaction

Hash: b33b55148dcf5949b01ba1d3cee01a0639c44560803e8a8d2a21238e47522620
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b33b55148dcf5949b01ba1d3cee01a0639c44560803e8a8d2a21238e47522620:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b33b55148dcf5949b01ba1d3cee01a0639c44560803e8a8d2a21238e47522620
Status:
ERROR
Block height:
39877915
Block id:
81ca38d0342653c07dbe2b4c58dceee43649395b4cd91d5b56c538b69642083b
Timestamp:
Friday 28 October 2022 at 16:59:23 UTC
()
Proposer:
Authorizers:
Gas used:
49