Help - Returning errors - want them to still add up or add as 0 if no data there

Good afternoon all,

I'm working on a cash flow, but for a lot more tabs than attached, but just set it to a few tabs. The tabs are fine but it's the consolidated tab I am having issues with.

I'm using a match formula to look up and return the totals of all the tabs for each line description under the corresponding month and return these values across all the tabs in the consolidated.

My issue is:

For example: Rent Income (this only applies to one of the tabs - Property). This line is in consolidated, and I've just copied down the formula to search ALL tabs for this information (I want it so that if this information isn't found, to return this as 0 so that it will still add up to any that are found).

I tried the IFERROR(sum(such and such),0) for each tab but it's not working. I can't put the if error at the very beginning and end of the whole formula as it returns 0 when there is information in one of the tabs.

I hope I'm making sense.

So really, I want "Rent Income" in consolidated tab on cell B19 to search ALL tabs (even though not all will have rent income listed), and it should return the one it finds as £1671.70.

Then I can always just drag formula down when adding additional lines with ease going forward if need be.

Thanks in advance!

UPDATE: Solved - Attachment now removed