Bug related to inventory opening

i cant open my inventory in minecrfat java 1.14 every time i press the button "E" (which is the key to open inventory according to my settings) a sort of crafting grid opens up (have provided the screen shot of it down below) only way i can open up my inventory is by opening any sort of container (chest, furnance, or other containers) plz fix this bug or plz let me know if iam doing anytging wrong. thank you