Confusing TCL error in Irule.

when HTTP_REQUEST {
switch -glob [string tolower [HTTP::host]] {
"workhere.com"   {
    log local0. "Matched workhere.com. Host:[HTTP::host] - URI: [HTTP::uri]."
    HTTP::header insert HttpsIndicatorHeader True
    HTTP::respond 301 "Location" "http://workhere.com[HTTP::uri]"
    }  

    {
"mywebsite*" {

      "/my/website"     -
      "/my/website/"    -
      "/"               - 
      { 
    log local0. "Redirecting based on /my/website. Host: [HTTP::host] - URI: [HTTP::uri]."
        HTTP::header insert HttpsIndicatorHeader True
        HTTP::respond 301 "Location" "https://www.mywebsite.com/my/website/mywebsite-com" 
        event disable
       }

      "/redirect.nsf*"  -
      "/icons*"         -
      "/internet*"      -
      "/admin*"         -
      "/login*"   - 
      "/intranet*"      -
      { 
     log local0. "Redirecting based on section 2. Host:[HTTP::host] - URI: [HTTP::uri]."


 This section prints the active members in the Pool1 to the logs
 if this section of the irule is invoked.

      set thispool "Pool1"
      foreach { pmem } [members -list $thispool] {
        log local0. "$thispool - [getfield $pmem " " 1] [LB::status pool $thispool member [getfield $pmem " " 1] [getfield $pmem " " 2]]"
       }
 
 This next section states that if there are more than 0 pool members are active in the Pool1 
 then the user is redirected there, else they are presented a Maintenance Page.


          if { [active_members Pool1] > 0 } {
           log local0. "Sending to Pool1."
              pool Pool1 
              HTTP::header insert HttpsIndicatorHeader True
          } else {
           log local0. "Sending to MX Page for Pool1."
              HTTP::respond 503 content [ifile get "/external/mywebsite_MaintenancePage_ifile"] noserver "Content-Type" "text/html" "Cache-Control" "no-cache, must-revalidate"
              return
          }
      }

      "*/hrp/*"
      { 
        log local0. "Redirecting based on hrp. Host: [HTTP::host] - URI: [HTTP::uri]."

 This section prints the active members in the Pool2 to the logs
 if this section of the irule is invoked.

      set thispool "Pool2"
      foreach { pmem } [members -list $thispool] {
        log local0. "$thispool - [getfield $pmem " " 1] [LB::status pool $thispool member [getfield $pmem " " 1] [getfield $pmem " " 2]]"
       }
 
 This next section states that if there are more than 0 pool members are active in the Pool2 
 then the user is redirected there, else they are presented a Maintenance Page.


          if { [active_members Pool2] > 0 } {
            log local0. "Sending to Pool2."
              pool Pool2
              HTTP::header insert HttpsIndicatorHeader True
          } else {
            log local0. "Sending to MX Page for the Pool2."
              HTTP::respond 503 content [ifile get "/external/mywebsite_MaintenancePage_ifile"] noserver "Content-Type" "text/html" "Cache-Control" "no-cache, must-revalidate"
              return
          }
       }

      "*/netss"
      { 
        log local0. "Redirecting based on /netss. Host: [HTTP::host] - URI: [HTTP::uri]."

 This section prints the active members in the Pool3 to the logs
 if this section of the irule is invoked.

      set thispool "Pool3"
      foreach { pmem } [members -list $thispool] {
        log local0. "$thispool - [getfield $pmem " " 1] [LB::status pool $thispool member [getfield $pmem " " 1] [getfield $pmem " " 2]]"
       }
 
 This next section states that if there are more than 0 pool members are active in the Pool3 
 then the user is redirected there, else they are presented a Maintenance Page.


          if { [active_members Pool3] > 0 } {
            log local0. "Sending to Pool3."
              pool Pool3
              HTTP::header insert HttpsIndicatorHeader True
          } else {
            log local0. "Sending to MX Page for the Pool3."
              HTTP::respond 503 content [ifile get "/external/mywebsite_MaintenancePage_ifile"] noserver "Content-Type" "text/html" "Cache-Control" "no-cache, must-revalidate"
              return
          }
       }

      default { 
      log local0. "Redirecting based on default. Host: [HTTP::host] - URI: [HTTP::uri]."

 This section prints the active members in the mywebsite.com_pool to the logs
 if this section of the irule is invoked.

      set thispool "mywebsite.com_pool"
      foreach { pmem } [members -list $thispool] {
        log local0. "$thispool - [getfield $pmem " " 1] [LB::status pool $thispool member [getfield $pmem " " 1] [getfield $pmem " " 2]]"
       }
 
 This next section states that if there are more than 0 pool members are active in the mywebsite.com_pool 
 then the user is redirected there, else they are presented a Maintenance Page.

          if { [active_members mywebsite.com_pool] > 0 } {
            log local0. "Sending to the mywebsite.com_pool."
              pool mywebsite.com_pool 
              HTTP::header insert HttpsIndicatorHeader True              
          } else {
            log local0. "Sending to MX Page for the mywebsite.com_pool."
              HTTP::respond 503 content [ifile get "/external/mywebsite_MaintenancePage_ifile"] noserver "Content-Type" "text/html" "Cache-Control" "no-cache, must-revalidate"
              return
          }

    }
   }
  }
 }
}