Flow price: --
b7ca373b79b4f5a9e193c7b65b1db7439158ec8f3e131df555c947604004d639

Transaction

Hash: b7ca373b79b4f5a9e193c7b65b1db7439158ec8f3e131df555c947604004d639
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b7ca373b79b4f5a9e193c7b65b1db7439158ec8f3e131df555c947604004d639:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b7ca373b79b4f5a9e193c7b65b1db7439158ec8f3e131df555c947604004d639
Status:
ERROR
Block height:
40055614
Block id:
ba558305279e02c1116fa064a952dccc8a416a17c46a48b3066dfe5607d045d9
Timestamp:
Monday 31 October 2022 at 16:02:43 UTC
()
Proposer:
Authorizers:
Gas used:
50