title: HIdden expression has invalid input string
body: <p>Have an error: THe hidden expression for tablix Group23 contains an error, input string not in correct format</p>
  
  <p>I did not creaet this and am new to the location and having to fix all.<br>
  here is the hidden expression</p>
  
  <pre><code>="Your screening results..." +VBCRLF+VBCRLF+"•  Your Body Weight was :" &amp; (Fields!weight_loss.Value) &amp; "lbs" 
  + VBCRLF+ "•  Your Body Mass Index (BMI) , which is based on your height and weight, was:" &amp; (Fields!bmi.Value)&amp; " " &amp; "[Healthy Range: 18.5-24.9]"
  +VBCRLF+ "•  Your waist circumference was:" &amp; (Fields!waist.Value) &amp; "inches." &amp; "[Healthy Range:]" &amp;IIF(Fields!gender.Value="M",35,40)
  + VBCRLF+ "•  To be in the healthy BMI range , your recommended weightshould be between " &amp; (Fields!goal_wt_low.Value) &amp; "and" &amp;(Fields!goal_wt_high.Value) &amp; "lbs." &amp; "You told us that.." +VBCRLF+VBCRLF+
  "• With regard to weight loss," &amp; IIF(Fields!weight_loss.Value=1,"you are satisfied with the way you are now and have no desire to change.", IIF(Fields!weight_loss.Value=2,"•  you have considered making healthier choices."
  , IIF(Fields!weight_loss.Value=3,"you have seriously considered making healthier choices and are ready to make a change.",IIF(Fields!weight_loss.Value=4,"you have started making healthier choices."
  ,IIF(fields!weight_loss.Value=5,"you have already made changes for a healthier lifestyle and are trying to maintain them.",IIF(Fields!weight_loss.Value=99,"you are not sure how satisfied you are with your current body weight.",nothing))))))
  </code></pre>