<div dir="ltr">I cloned my pmwiki-based site from one host to another. My cloned site is working fine. The original site is broken. As I was modifying files for the new site, I think I accidentally saved a modified file to the orginal site. I don't know where to start trying to fix this. Can you tell what is wrong from the warnings being produced? A subset is pasted below:<div><b style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center">Warning</b><span style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center;background-color:rgb(237,232,226)">: preg_match_all() [</span><a href="http://ediblelandscape.org/function.preg-match-all" style="text-decoration:none;color:rgb(108,140,55);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center">function.preg-match-all</a><span style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center;background-color:rgb(237,232,226)">]: Compilation failed: invalid range in character class at offset 20 in </span><b style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center">/home/ediblela/public_html/pmwiki.php</b><span style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center;background-color:rgb(237,232,226)"> on line </span><b style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center">766</b><br style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center"><br style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center"><b style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center">Warning</b><span style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center;background-color:rgb(237,232,226)">: Cannot modify header information - headers already sent by (output started at /home/ediblela/public_html/pmwiki.php:766) in </span><b style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center">/home/ediblela/public_html/cookbook/blogit/blogit.php</b><span style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center;background-color:rgb(237,232,226)"> on line </span><b style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center">707</b><br style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center"><br style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center"><b style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center">Warning</b><span style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center;background-color:rgb(237,232,226)">: preg_match_all() [</span><a href="http://ediblelandscape.org/function.preg-match-all" style="text-decoration:none;color:rgb(108,140,55);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center">function.preg-match-all</a><span style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center;background-color:rgb(237,232,226)">]: Compilation failed: invalid range in character class at offset 20 in </span><b style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center">/home/ediblela/public_html/pmwiki.php</b><span style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center;background-color:rgb(237,232,226)"> on line </span><b style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center">766</b><br style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center"><br style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center"><b style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center">Warning</b><span style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center;background-color:rgb(237,232,226)">: preg_replace() [</span><a href="http://ediblelandscape.org/function.preg-replace" style="text-decoration:none;color:rgb(108,140,55);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center">function.preg-replace</a><span style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center;background-color:rgb(237,232,226)">]: Compilation failed: invalid range in character class at offset 20 in </span><b style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center">/home/ediblela/public_html/pmwiki.php</b><span style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center;background-color:rgb(237,232,226)"> on line </span><b style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center">1615</b><br style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center"><span style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center;background-color:rgb(237,232,226)">ERROR: pat=/(\[\[#blogit_(\w[_-\w]*)\]\](?: *\n)?)(.*?)(\[\[#blogit_\2end\]\])/s preg_replace() [</span><a href="http://ediblelandscape.org/function.preg-replace" style="text-decoration:none;color:rgb(108,140,55);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center">function.preg-replace</a><span style="color:rgb(65,65,65);font-family:Arial,Helvetica,sans-serif;font-size:13px;line-height:20.4799995422363px;text-align:center;background-color:rgb(237,232,226)">]: Compilation failed: invalid range in character class at offset 20</span><br></div></div>