Encountering an Error While Saving on EPFO: How Can I Fix This Issue?

After filling all information, when I click to save, I am encountering the following error. Kindly help if anyone has an idea about this:

"Unexpected character ''' (code 34) in DOCTYPE declaration; expected a space between public and system identifiers at [row,col {unknown-source}]: [1,50]."

Please review and advise on how to resolve this issue. Thank you.

After filling all information, when I click to save, I am getting the below-mentioned error. Kindly help if anyone has an idea about this.

"Unexpected character ''' (code 34) in DOCTYPE declaration; expected a space between public and system identifiers at [row,col {unknown-source}]: [1,50]

I am also getting the error while registering for an individual.

Unexpected character ''' (code 34) in DOCTYPE declaration; expected a space between public and system identifiers at [row, col {unknown-source}]: [1, 50]

Now, the registration system shows an error as "NULL." I don't know what the issue is.

I am also getting the same error while uploading KYC for an individual. Unexpected character ''' (code 34) in DOCTYPE declaration; expected a space between public and system identifiers at [row,col {unknown-source}]: [1,50]. Also facing the error while modifying Basic Details. "Something went wrong. Please try again later."

Unexpected character '"' (code 34) in DOCTYPE declaration; expected a space between public and system identifiers at [row,col {unknown-source}]: [1,50].

Please help.

Unexpected character '"' (code 34) in DOCTYPE declaration; expected a space between public and system identifiers at [row,col {unknown-source}]: [1,50]. SAME ISSUE FOUND EVERYWHERE.

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I have corrected the spelling, grammar, and formatting of the text according to your instructions.

Today, Showing Following Error: Unable to satisfy @org.simpleframework.xml.Element(name=clientId, data=false, type=void, required=true) on field 'clientId' private java.lang.String com.ecs.asaksa.gateway.AsaAuthResponse.clientId for class com.ecs.asaksa.gateway.AsaAuthResponse at line 1.