Read this first — how to ask a Unity question that gets answered

Unity questions get solved fastest when the first post already contains what someone would otherwise have to ask for.

Include in your post:

• Unity version — e.g. 6000.0.23f1 or 2021.3.42f1
• Render pipeline — Built-in, URP or HDRP. This is the single most common cause of "my material is pink"
• Target platform
• The exact console error, copied as text rather than a photo of a screen
• What you already tried

Two answers that save a lot of threads: a pink material almost always means a shader built for a different pipeline than the one your project uses. A "missing script" after importing a package usually means the .meta files were not copied along with the assets.

Post the error and there is a good chance someone here has already hit it.