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Hi,
I am using wDT for creating and updating 2 tables to store data about a restaurant menu. It has been working fine until today when suddently I recieved the following message:
DataTables warning: table id=table_1 Requested unknown parameter '21' for row 0, column 21. For more information about this error, please see http://datatables.net/tn/4
21 seem to be the number of columns that I have in the table. Before deleating 2 columns I got the same message with parameter 23.
I have checked the suggested page above but it did not help. I have also looked inside the wp_wpdatatables and wp_wpdatatables_columns but can't find anything unusual there.
I do NOT get this error when viewing the tables in "Excel-like editor" but only in the "standard editor". Also I don't get the error when viewing a previously copied backup table. The error seemed to have just popped up over night.
I am using version 1.7
On the website it does not indicate any errors.
Woud appreciate a solution, since this already has taken a few hours to try to solve.
======= Update - SOLVED ======
It seems that the postition number of the columns were wrong, it was 0,1,2,3.... 7,8,11,12. There was a gap in the numbering which made the last columns have higher pos. nr. than number of columns. The gap was probably created as I had deleated some columns from the "editor" view previously. This should ofcourse have been updated automathically.... but had not. A bug?
HI alfgand,
Thank you for your purchase.
I am glad that you resolved issue by your own.
Are you using MySQL based tables or you have created Manual wpDataTable with wpDataTables constructor?
Hi,
I have been using wpDataTable constructor and then used wpDataTable editor. I am not sure why the column position number did not change accordingly when removing a column. I can not make the problem reappear again.
Is there an upper limit on how many columns that can be created for a table?
regards
Hi alfgand,
No there is no upper limit how many columns can be created in the table but if you add a lot of them it can slow down table loading speed.
We will check that issue when you remove one of the columns why column number didn't change.