View Issue Details

IDProjectCategoryView StatusLast Update
0005385phpList 3 applicationCampaign Send Processpublic05-06-13 13:57
Status resolvedResolutionno change required 
Product Version2.10.2 
Target VersionFixed in Version 
Summary0005385: Mailer Error: Language string failed to load: instantiate
DescriptionSet up messages to send, select list and manually process queue. PHPList attempts to process queue, states that it fails sending to 300-odd recipients, and in the event log, states the following in sequence with each user:
Mailer Error: Language string failed to load: instantiate

This happened suddenly and without any changes to phplist or the backend database.
Additional Informationrunning on virtual host
apache 1.3.34
php 4.3.10
mysql 4.0.25
TagsNo tags attached.


duplicate of 0004756 resolveduser1308 PHPMailer doesn't properly include its language files. 


06-02-06 20:08



06-02-06 20:57


can you check with the server admin to see if there were any global changes, patches or updates to the server since the last time phpList was working


06-02-06 20:59

reporter   ~0010327

yes, i can and will. thanks.


07-02-06 00:40

reporter   ~0010337

just got word back from my host. nothing has changed since January 1st.



08-02-06 16:19


possible solution:


26-05-06 15:08

reporter   ~0013995

I have experienced the same identical problem as Dave and the others. I've tried to apply the fixes mentioned here and in the duplicate one of michiel, but they haven't worked (assuming I've done things correctly). I'm new to this, and probably not as knowledgeable about this environment/language, so it could be me.

Can anyone quickly tell me whether this has been resolved, and where I will go to find the answer?

I'm not sure why everyone isn't experiencing install was done automatically using Fantastico on a well-known host (, and I've got to believe this is common. I haven't done anything fancy. It was working great with my test group, and then when I tried it on my list of 439, it behaved just like the others have described.


25-07-07 17:29

reporter   ~0029780

I using phpmailer. I was getting this message:
Mailer Error: Language string failed to load: instantiate
I tried changing the path to the languages folder, but that was not the problem. It turned out the message wouldn't send because of an invalid email address.

         echo "Message could not be sent.

         echo "Mailer Error: " . $mail->ErrorInfo;

I added a syntax checker for email addresses and that solved the problem.


11-08-07 16:15

manager   ~0030383

For phplist users on a Windows/IIS platform, this is a possible fix suggested by Owen:



07-08-09 00:51

reporter   ~0050705

I've just had a similar problem with a laughably simple solution, but one that I didn't find reported here at all, so I thought I would post it for posterity.

Make sure the 'from' address is valid. Otherwise you'll get the same old "Mailer Error: Language string failed to load: instantiate" message and none of the solutions above will fix it.