[#5107] fix error handling text around jinja BytecodeCache handling
[#5107] fix error handling text around jinja BytecodeCache handling

apache/allura,apache/allura,apache/incubator-allura,apache/allura,lym/allura-git,apache/incubator-allura,apache/incubator-allura,heiths/allura,heiths/allura,apache/incubator-allura,apache/allura,lym/allura-git,apache/allura,lym/allura-git,lym/allura-git,heiths/allura,lym/allura-git,heiths/allura,heiths/allura