Adobe not interfacing with Outlook

Hi,

my company has been using a simple adobe form that I put together since January 2019. One of the buttons at the bottom saves the master, flattens the form, saves the flattneed version under a new name in a designated folder based on form data field, and then attaches the flattened file to an outlook email for the user to manually send out. 

Starting today, when this particular button is pushed all actions are completed except for attaching the file to an email to send. This is the first time this error has occured. It is not working for any users. Users have tried with outlook open and not open. It does not work either way.

Please let me know if anyone has any ideas on solution to get me back up and running, and let me know what information you need to help me. I can provide code, settings, etc. the specific script for the email action is below. Thank you in advance.

//</ACRO_script>
//</AcroForm>

//<AcroForm>
//<ACRO_source>send:Annot1:MouseUp:Action4</ACRO_source>
//<ACRO_script>
/*********** belongs to: AcroForm:send:Annot1:MouseUp:Action4 ***********/

this.mailDoc({
bUI: true,
cTo: "",
cCc: "",
cSubject: "Bid Submittal - " + this.getField("Project").value + " " + this.getField("Location").value,
cMsg: this.getField("To").value + ",\n\nESSI is pleased to submit the attached bid to " + this.getField("Customer").value + " for consideration on the " + this.getField("Project").value + " project in " + this.getField("Location").value + ". \nAlong with the quote are ESSI's standard terms and conditions. \n\n"
});