Unable to add more than 1 attachment out of 5 maximum

[sj365]

Windows 10 I7 3.6ghz drivers up to date

adding comments to this page https://greasyfork.org/en/scripts/415797-piratebay-darkmode/discussions/142722

Only 1 attachment .png is being uploaded. Attempts to add additional attachments push out the prior one. Effect is only 1 attachment being possible. All attachments under 200kb maximum