Flow price: --
c8d34498b349476b3af8cb43d72b0b7b9f01db92e94d5c21abe9830117e1a568

Transaction

Hash: c8d34498b349476b3af8cb43d72b0b7b9f01db92e94d5c21abe9830117e1a568
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> c8d34498b349476b3af8cb43d72b0b7b9f01db92e94d5c21abe9830117e1a568:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


Hash:
c8d34498b349476b3af8cb43d72b0b7b9f01db92e94d5c21abe9830117e1a568
Status:
ERROR
Block height:
40654264
Block id:
9d98db5738da89bf431709209d4945b7ad99cdb3c18b2602312b1823fb042f2b
Timestamp:
Thursday 10 November 2022 at 17:24:08 UTC
()
Proposer:
Authorizers:
Gas used:
21