Misblend

Components of actions can also get misblended, usually when two or more activated schemas are triggered simultaneously.

Source: wiktionary

On May 3, 1988, Mr. [C] misblended about 35,000 pounds of coffee.

Source: wiktionary

If this fuel is misblended, as sometimes happened in the mid-1980s, it can permanently damage a fuel system.

Source: wiktionary

Refinery blending schedules are seldom followed exactly because of unexpected developments including early or late barge arrivals, misblends, etc.

Source: wiktionary