@Sb2512 :
You can check in the below file and change the error message . This message is under i18n and it is language specific for different countries.
you can change this under en_Us and you can see the change in the alert message.
/libs/fd/xfaforms/clientlibs/I18N/en_US/I18N.js
"FileSizeGreater" : "Files {0} are greater than the expected size: {1}MB.",
{0} : will be replcaed by the name of the file which you uploaded.
{1} : will be replaced by the max file size limit you configured.
if it didnot work, check if you have done any overlay of these files under /apps/fd/xfaforms/clientlibs/I18N/. if yes, you need to make changes under /apps/.
which i have already tested and working fine. if there is any issue let me know.
Thanks ,
Siva
Thanks,
Siva