Flow price: --
51ebd736c491c3874a3fa6f86ad27b923fff6acc7a4a81e94f99b2319288bea9

Transaction

Hash: 51ebd736c491c3874a3fa6f86ad27b923fff6acc7a4a81e94f99b2319288bea9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 51ebd736c491c3874a3fa6f86ad27b923fff6acc7a4a81e94f99b2319288bea9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
51ebd736c491c3874a3fa6f86ad27b923fff6acc7a4a81e94f99b2319288bea9
Status:
ERROR
Block height:
40162013
Block id:
78f5ff21264bbae8a30001ee474afed3b007709f04e771bb49ad6b88bd4c8f3c
Timestamp:
Wednesday 2 November 2022 at 11:07:24 UTC
()
Proposer:
Authorizers:
Gas used:
48