There was an error in calling `prisma.user.findUnique()`:

Here is my code snippet for the API route:

export const POST = async (req: NextRequest) => {
...
  try {
    const { email, name, password } = await req.json();
    console.info(email, name, password);
    const existingUser = await prismadb.user.findUnique({
      where: {
        email,
      },
    });
    if (existingUser) {
      return NextResponse.json({ status: 422, error: "Email taken" });
    }
    const hashedPassword = await bcrypt.hash(password, 12);
    const user = await prismadb.user.create({
      data: {
        email,
        name,
        hashedPassword,
        image: "",
        emailVerified: new Date(),
      },
    });
   ...
};

Below is my schema.prisma code:

model User{
..
email String? @unique
...
}

I have defined @unique on the email field, but I am still encountering an error.

✓ Compiled /api/register/route in 468ms (332 modules) [email protected] test 123 PrismaClientKnownRequestError: Invalid prisma.user.findUnique() invocation: Can anyone provide guidance on how to resolve this issue? Your help would be greatly appreciated.

Answer №1

Keep in mind that by including the unique modifier, you are indicating that it is a required field and cannot be optional. In other words, write it as:

email String @unique

For more information, you can check out this documentation.

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