Custom error bars excel problem

So I have data for a project that I made into a line chart, which took me almost 4 hours because of the fact that excel didn't want to take my data as It was, it would see it as zero's instead of normal decimal numbers. After troubleshooting that I have another problem. I have the line graph I only need to add my custom error bars. The numerical value of the numbers should be big enough to show up, but excel just doesn't want to add them. I am selecting the range and everything correctly, I've tried with completely different numbers, different graphs and converting them etc nothing works. Please help me troubleshooting I am going insane.