Too few arguments for multiple if statement conditions
The digitalWrite statement in the if statement needs a value to write. It looks like you meant digitalRead, since you're comparing the result to something and the other condition is a digitalRead.

 if ((digitalWrite(blueLEDPin) == HIGH) &amp;&amp; (digitalRead(leverR) == HIGH)) {


vs

 if ((digitalRead(blueLEDPin) == HIGH)  &amp;&amp; (digitalRead(leverR) == HIGH)) {