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Page Snapshot 1.1.19 fixes the problem for me - thank you very much

Thanks for the reply - I have: Page Snapshot 1.1.18 Process Version Control 0.9.5 Version Control 0.9.15 All 3 PHP errors are: Undefined variable: page_ids in site/modules/VersionControl/PageSnapshot.module on line 253 Undefined variable: page_ids in site/modules/VersionControl/PageSnapshot.module on line 261 array_merge(): Argument #2 is not an array in site/modules/VersionControl/PageSnapshot.module on line 261 all of which feed into the SQL query missing parameter error when the statement is executed on PageSnapshot.module line 263 I guess?

After a vanilla Processwire 2.4 install, I can't get Version Control module working fully... Module compatibility is stated as Processwire 2.4 (current stable version). After Version Control install, Page Snapshot dependancy is not installed and states it requires 2.4.1 minimum. ‘Preview revision’ on the ‘History’ tab gives: 'TemplateFile: Method Page::snapshot does not exist or is not callable in this context' Upgrading to Processwire 2.4.4 (current dev) allows module and dependancies to install. ‘Preview revision’ on the ‘History’ tab gives: 'TemplateFile: SQLSTATE[HY093]: Invalid parameter number: number of bound variables does not match number of tokens' and php error: 'Undefined variable: page_ids in site/modules/VersionControl/PageSnapshot.module on line 253' Version Control 0.9.15 installed. Version Control history is enabled for basic-page template. Any ideas? Have I missed something?