Data truncation when save Kanban board sub-filter length larger than 255 characters

CREATE TABLE [jira].[AO_60DB71_SUBQUERY](
	[ID] [bigint] IDENTITY(1,1) NOT NULL,
	[QUERY] [varchar](255) NULL,
	[RAPID_VIEW_ID] [bigint] NULL,
	[SECTION] [varchar](255) NOT NULL,
 CONSTRAINT [pk_AO_60DB71_SUBQUERY_ID] PRIMARY KEY CLUSTERED 
(
	[ID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]

CREATE TABLE [jira].[searchrequest](
	[ID] [numeric](18, 0) NOT NULL,
	[filtername] [nvarchar](255) NULL,
	[authorname] [nvarchar](255) NULL,
	[DESCRIPTION] [ntext] NULL,
	[username] [nvarchar](255) NULL,
	[groupname] [nvarchar](255) NULL,
	[projectid] [numeric](18, 0) NULL,
	[reqcontent] [ntext] NULL,
	[FAV_COUNT] [numeric](18, 0) NULL,
	[filtername_lower] [nvarchar](255) NULL,
 CONSTRAINT [PK_searchrequest] PRIMARY KEY CLUSTERED 
(
	[ID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]