In a direct communication, the source has confirmed that these series have been terminated and will not be replaced.

In response, we have discontinued them by marking their metadata and catalog entries as "discontinued".

The series reside in these historical catalogs:

• Germany » Financial » Capital Market » 
• Debt securities » Debt securities issued by German managed syndicates
• Yields on outstanding debt securities issued by residents » Yields on debt securities, by category
• Yields on outstanding debt securities issued by residents » Amounts Outstanding » Amounts Outstanding of Debt Securities issued by Residents
• Others » Yields on debt securities, by category of securities

and are:

• DBBWU0024M.IDEU = [DISCONTINUED] Yields on outstanding foreign Deutsche Mark/euro bonds issued by German managed syndicates: Total, (% p.a.) - for 1970m1 to 2018m5
• DBBWU0044M.IDEU = [DISCONTINUED] Financial: Capital Market - Amounts outstanding of foreign DM/EURO debt securities issued by German-managed syndicates, (Mil. DM/Euros, NSA) - for 1958m10 to 2018m3

Because catalog locations are subject to change, the upper-right search box on DataBuffet.com provides a "find in catalog" mode that accepts a mnemonic.