JSON::ParserError at /tasks/pending 859: unexpected token at '' file: common.rb location: parse line: 216

[BaitVolodymyr]

My OS Linux OpenSuse Leap 15.4

ruby 2.5.9p229 (2021-04-05 revision 67939) [x86_64-linux-gnu]
activesupport (3.2.22.5)
json-1.8.6

BACKTRACE
(condense)

/usr/lib64/ruby/gems/2.5.0/gems/taskwarrior-web-1.1.12/lib/taskwarrior-web/services/parser/json.rb in parse
json == '[No matches.]' ? [] : ::JSON.parse(json)
/usr/lib64/ruby/gems/2.5.0/gems/taskwarrior-web-1.1.12/lib/taskwarrior-web/services/parser.rb in parse
TaskwarriorWeb::Config.version > '1.9.2' ? Json.parse(results) : Csv.parse(results)
/usr/lib64/ruby/gems/2.5.0/gems/taskwarrior-web-1.1.12/lib/taskwarrior-web/model/task.rb in query
Parser.parse(command.run).each { |result| tasks << Task.new(result) }
/usr/lib64/ruby/gems/2.5.0/gems/taskwarrior-web-1.1.12/lib/taskwarrior-web/model/task.rb in method_missing
self.query(match.attribute.to_s => arguments.first.to_s)
/usr/lib64/ruby/gems/2.5.0/gems/taskwarrior-web-1.1.12/lib/taskwarrior-web/app.rb in block in class:App
TaskwarriorWeb::Task.find_by_status(params[:status])
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in call
proc { |a, p| unbound_method.bind(a).call }
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in block in compile!
proc { |a, p| unbound_method.bind(a).call }
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in block (3 levels) in route!
route_eval { block[*args] }
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in route_eval
throw :halt, yield
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in block (2 levels) in route!
route_eval { block[*args] }
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in block in process_route
block ? block[self, values] : yield(self, values)
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in catch
catch(:pass) do
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in process_route
catch(:pass) do
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in block in route!
returned_pass_block = process_route(pattern, conditions) do |*args|
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in each
routes.each do |pattern, conditions, block|
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in route!
routes.each do |pattern, conditions, block|
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in block in dispatch!
route!
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in block in invoke
res = catch(:halt) { yield }
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in catch
res = catch(:halt) { yield }
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in invoke
res = catch(:halt) { yield }
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in dispatch!
invoke do
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in block in call!
invoke { dispatch! }
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in block in invoke
res = catch(:halt) { yield }
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in catch
res = catch(:halt) { yield }
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in invoke
res = catch(:halt) { yield }
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in call!
invoke { dispatch! }
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in call
dup.call!(env)
/usr/lib64/ruby/gems/2.5.0/gems/rack-flash3-1.0.5/lib/rack/flash.rb in call
res = @app.call(env)
/usr/lib64/ruby/gems/2.5.0/gems/rack-protection-2.2.0/lib/rack/protection/xss_header.rb in call
status, headers, body = @app.call(env)
/usr/lib64/ruby/gems/2.5.0/gems/rack-protection-2.2.0/lib/rack/protection/base.rb in call
result or app.call(env)
/usr/lib64/ruby/gems/2.5.0/gems/rack-protection-2.2.0/lib/rack/protection/base.rb in call
result or app.call(env)
/usr/lib64/ruby/gems/2.5.0/gems/rack-protection-2.2.0/lib/rack/protection/path_traversal.rb in call
app.call env
/usr/lib64/ruby/gems/2.5.0/gems/rack-protection-2.2.0/lib/rack/protection/json_csrf.rb in call
status, headers, body = app.call(env)
/usr/lib64/ruby/gems/2.5.0/gems/rack-protection-2.2.0/lib/rack/protection/base.rb in call
result or app.call(env)
/usr/lib64/ruby/gems/2.5.0/gems/rack-protection-2.2.0/lib/rack/protection/base.rb in call
result or app.call(env)
/usr/lib64/ruby/gems/2.5.0/gems/rack-protection-2.2.0/lib/rack/protection/frame_options.rb in call
status, headers, body = @app.call(env)
/usr/lib64/ruby/gems/2.5.0/gems/rack-2.2.3.1/lib/rack/session/abstract/id.rb in context
status, headers, body = app.call(req.env)
/usr/lib64/ruby/gems/2.5.0/gems/rack-2.2.3.1/lib/rack/session/abstract/id.rb in call
context(env)
/usr/lib64/ruby/gems/2.5.0/gems/rack-2.2.3.1/lib/rack/null_logger.rb in call
@app.call(env)
/usr/lib64/ruby/gems/2.5.0/gems/rack-2.2.3.1/lib/rack/head.rb in call
status, headers, body = @app.call(env)
/usr/lib64/ruby/gems/2.5.0/gems/rack-2.2.3.1/lib/rack/method_override.rb in call
@app.call(env)
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/show_exceptions.rb in call
@app.call(env)
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in call
result, callback = app.call(env), env['async.callback']
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in call
@stack.call(env)
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in block in call
synchronize { prototype.call(env) }
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in synchronize
yield
/usr/lib64/ruby/gems/2.5.0/gems/sinatra-2.2.0/lib/sinatra/base.rb in call
synchronize { prototype.call(env) }
/usr/lib64/ruby/gems/2.5.0/gems/rack-2.2.3.1/lib/rack/handler/webrick.rb in service
status, headers, body = @app.call(env)
/usr/lib64/ruby/2.5.0/webrick/httpserver.rb in service
si.service(req, res)
/usr/lib64/ruby/2.5.0/webrick/httpserver.rb in run
server.service(req, res)
/usr/lib64/ruby/2.5.0/webrick/server.rb in block in start_thread
block ? block.call(sock) : run(sock)
GET
No GET data.

POST
No POST data.