Established in 1954, the Comics Code Authority strictly regulated the content of mainstream comic books. While the code did not explicitly use the word "interracial," it contained clauses mandate that "good taste" be maintained and that authority figures and traditional institutions be respected. In practice, code administrators routinely rejected stories that featured romantic relationships between characters of different racial backgrounds, fearing political backlash and lost revenue in segregated markets. The Underground Comix Movement

In the context of entertainment and media, discussions of "interracial" and "deep paper" typically refer to the academic or industry-level analysis of how racial identities and relationships are represented in visual storytelling.

Which are you using? (e.g., Komga, Kavita, LANraragi, or a custom script?) What operating system is hosting your library? What exact error message appears in your installation log?