if statement

hi experts, the following if statement is producing a "value error" and i dont understand why, could you assist?

=IF(AND(J3=$K$1,"now due",J3>$K$1,"overdue"),"")
Frank .SBuilding EstimatorAsked:
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NorieAnalyst Assistant Commented:
Try this.

=IF(J3=$K$1,"now due",IF(J3>$K$1,"overdue",""))
Frank .SBuilding EstimatorAuthor Commented:
hi norie, thankyou and is there a way i can protect the column & hide the formula where i have this ifstatement?
Frank .SBuilding EstimatorAuthor Commented:
hi norie, i copy & pasted your formula down the same column but found all the cells would have the red background fill colors when it should only be the ones which meet the condition, please see screenshot below.

background fill to all cells
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NorieAnalyst Assistant Commented:
Are you using conditional formula?

If you are what options/formula are you using?
Frank .SBuilding EstimatorAuthor Commented:
im not, please see screenshot below

screenshot 2
NorieAnalyst Assistant Commented:
Oops, I meant conditional formatting not conditional formula.
Frank .SBuilding EstimatorAuthor Commented:
i dont follow..
NorieAnalyst Assistant Commented:
I was correcting a typo in  previous post.
Ryan ChongBusiness Systems Analyst , ex-Senior Application EngineerCommented:
try upload a sample here?
Frank .SBuilding EstimatorAuthor Commented:
hi ryan chong, i have uploaded the file here for you.
Ryan ChongBusiness Systems Analyst , ex-Senior Application EngineerCommented:
you can modify the attached.

for your 3rd requirement:
3. all cells in column e are to be pwd protected so that the creator of this sheet can only enter data or change the data in this column, no other users can

check this out:

XL: How to Lock Individual Cells in a Worksheet

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