During Magento upgrade via Magento Connect Manager or from ./mage upgrade-all CLI command there is the following or similar message reported in console:
upgrade-all: Package community/Lib_IDNA2 1.9.4.0 conflicts with: community/Mage_Core_Modules
Cause
Most likely cause of this dependency issue is the following:upgrade-all: Failed to delete files: ./pkginfo/Mage_All_Latest.txt Check permissions
The actual error message is just masked in long output from
./mage upgrade-all
Solution
The solution is to locate actual error message and correct it, i.e. delete pkginfo/Mage_All_Latest.txtIf you have any difficulties with solving this problem or got a similar one, please let us know in comments below, so we can find the solution together.
Posted in: Magento Maintenance