TypeError: /home/aprilu/myapp/azawia/views/reklama/reklama.ejs:1
>> 1| <% include ../partials/mainreklama.ejs %>
   2|
   3|
   4|     <% include ../partials/nav2.ejs %>

/home/aprilu/myapp/azawia/views/partials/mainreklama.ejs:31
   29|    
   30|
>> 31|      <meta property="og:url"          content="http://zu.edu.ly/university/reklama/<%= reklama._id %>" />
   32|     <meta property="og:type"          content="website" />
   33|     <meta property="og:title"         content="<%= reklama.title %>" />
   34|     <meta property="og:description"   content="<%- reklama.discription %>" />

Cannot read property '_id' of null
   at eval (/home/aprilu/myapp/azawia/views/reklama/reklama.ejs:17:34)
   at eval (/home/aprilu/myapp/azawia/views/reklama/reklama.ejs:32:10)
   at reklama (/home/aprilu/nodevenv/myapp/azawia/10/lib/node_modules/ejs/lib/ejs.js:682:17)
   at tryHandleCache (/home/aprilu/nodevenv/myapp/azawia/10/lib/node_modules/ejs/lib/ejs.js:254:36)
   at View.exports.renderFile [as engine] (/home/aprilu/nodevenv/myapp/azawia/10/lib/node_modules/ejs/lib/ejs.js:485:10)
   at View.render (/home/aprilu/nodevenv/myapp/azawia/10/lib/node_modules/express/lib/view.js:135:8)
   at tryRender (/home/aprilu/nodevenv/myapp/azawia/10/lib/node_modules/express/lib/application.js:640:10)
   at Function.render (/home/aprilu/nodevenv/myapp/azawia/10/lib/node_modules/express/lib/application.js:592:3)
   at ServerResponse.render (/home/aprilu/nodevenv/myapp/azawia/10/lib/node_modules/express/lib/response.js:1017:7)
   at Reklama.findById (/home/aprilu/myapp/azawia/routes/universityrouter.js:281:17)
   at immediate (/home/aprilu/nodevenv/myapp/azawia/10/lib/node_modules/mongoose/lib/model.js:5074:18)
   at process._tickCallback (internal/process/next_tick.js:61:11)