Flow price: --
91aacda353c1718cdede06777b5e0269f188a8d867478cfefb35cb4b5e858895

Transaction

Hash: 91aacda353c1718cdede06777b5e0269f188a8d867478cfefb35cb4b5e858895
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 91aacda353c1718cdede06777b5e0269f188a8d867478cfefb35cb4b5e858895:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
91aacda353c1718cdede06777b5e0269f188a8d867478cfefb35cb4b5e858895
Status:
ERROR
Block height:
39933764
Block id:
02edf9220dbd120b039378330778961d94a8d74044a3d26530b5d840a6c6a84e
Timestamp:
Saturday 29 October 2022 at 15:21:01 UTC
()
Proposer:
Authorizers:
Gas used:
49