Flow price: --
299829ca61350fbecf92d603e69b96b6a460265dad21fd727367fc84afb4b4fe

Transaction

Hash: 299829ca61350fbecf92d603e69b96b6a460265dad21fd727367fc84afb4b4fe
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 299829ca61350fbecf92d603e69b96b6a460265dad21fd727367fc84afb4b4fe: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:
299829ca61350fbecf92d603e69b96b6a460265dad21fd727367fc84afb4b4fe
Status:
ERROR
Block height:
39976389
Block id:
ff2634a17fad9f10b42e740e99005eac5728bb5fce7e545d68c30d360f651581
Timestamp:
Sunday 30 October 2022 at 08:19:26 UTC
()
Proposer:
Authorizers:
Gas used:
47