After encountering this problem today, what worked for me was to download v3.1.36 from GitHub and use that directly, instead of using the Debian package.
So, I wonder, is the problem in the Debian packaging somehow?
- Bug#977604: smarty3: broken internal parsetree code Wolfgang Schweer
- Bug#977604: smarty3: broken internal parsetree code Mike Gabriel
- Bug#977604: smarty3: broken internal parsetree c... Wolfgang Schweer
- Bug#977604: smarty3: broken internal parsetree code James Dietrich
