RPC function not found even though it exists on the actual Supabase UI

export const getAssignmentById = async (supabase: SupabaseClient, assignmentId: string) => {
  try {
    console.log('🚀 CALLING RPC FUNCTION:', 'get_assignment_by_id');
    console.log('🚀 WITH PARAMETER:', { p_id: assignmentId });
    console.log('🚀 ASSIGNMENT ID TYPE:', typeof assignmentId);
    console.log('🚀 ASSIGNMENT ID VALUE:', assignmentId);
    
    const result = await supabase.rpc("get_assignment_by_id", { p_id: assignmentId });

    console.log('🔍 RAW RPC RESULT:', JSON.stringify(result, null, 2));
    console.log('🔍 RESULT.ERROR:', result.error);
    console.log('🔍 RESULT.DATA:', result.data);
    if (result.data && Array.isArray(result.data)) {
      console.log('🔍 FIRST ELEMENT:', result.data[0]);
    }
    
    if (result.error) {
      console.error('❌ RPC Error in getAssignmentById:', result.error);
      console.error('❌ ERROR CODE:', result.error.code);
      console.error('❌ ERROR MESSAGE:', result.error.message);
      console.error('❌ ERROR DETAILS:', result.error.details);
      throw new Error(`RPC function failed: ${result.error.message}`);
    }
    
    return result;
  } catch (error) {
    console.error('💥 CATCH BLOCK - Error calling get_assignment_by_id:', error);
    console.error('💥 ERROR TYPE:', typeof error);
    if (error instanceof Error) {
      console.error('💥 ERROR MESSAGE:', error.message);
    }
    throw error;
  }
};

   const { data: assignmentData, error: assignmentError } = await getAssignmentById(supabase, id);