how to fix this Error ?

Hi there, sorry to hear EA FC 26 is crashing.

Could you please let us know:

• Are you playing through the EA app, Steam, or Epic Games?
• When did the issue start, and was it after any game, Windows, driver, or software update?
• Does the crash happen when launching the game or at a specific point/menu?
• What troubleshooting steps have you already tried?
• If you're on PC, please also share a DxDiag so we can take a closer look at your system and drivers. 

  https://help.ea.com/sv/articles/technical-issues/dxdiag-information-pc/ 

Once we have those details, we can suggest the most relevant next steps.

having same sort of issue....have been disconnected with either ea server not avail or lost connection (my wi-fi did not drop) from squad battles matches for the past couple days. yesterday though I was disconnected from a preseason tourney live game and after I restarted, bc the game completely freezed up) I had the cheating warning with the additional message that I would be getting reduced coin rewards as a punishment (and contact ea etc. etc.). I absolutely did not disconnect on my end in any of these matches as I was either winning or in position to complete an objective (for example, I was well to winning 1 of my 16 squad battle matches on world class and was disconnected in the 2nd half so ended up getting 0 pts towards my weekly score instead of over 1k). bummer as I've heard same is happening with fc27 and I've already pre-ordered (for Nintendo Switch).