Run time error '3265': item cannot be found in the collection corresponding to the reques

this file works as it is used to download data from the database in starting row 3

i blank sheet have given headers then i download the data

but it doesnt recoginse its header columns while running update(Saving) macro code instead it shows an error

how can i make this code to recognise the columns header name while updating or save the data in the database

this are header columns
BMS_ID level(1/2/3) item num Original Mfg Name Original Mfg Part # Original_Supplier Name Original_Supplier Part # Original_Description Mfg Name MFR Part No SUPPLIER_NAME SUPPLIER_PART NO Noun MODIFIER Noun Modifier



please let me know

i have attached my woorkbook

and this is my Download data code

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update code

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