Technical Tip: Internal 500 error received on using SMS for FortiToken

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Description	This article describes a case where an error was obtained when enabling OTP using SMS for imported LDAP users. In this case, the users receive the token code however the FortiToken will not be assigned to a user in FortiAuthenticator.
Scope	FortiAuthenticator v6.6.1, v6.6.2.
Solution	This error is observed from v6.6.1 as FortiGuard cannot send messages longer than 269 characters. Reference link from the admin guide: FortiGuard - FortiAuthenticator 6.6.1 administration guide. Workaround: Under Administration -> Replacement messages, modify the 'FortiToken Mobile Activation SMS Message' replacement message to a shorter string. Default message: 'Hello john, your FortiToken Mobile FTK2000612345ABC activation code is "7AVK3BUGQTMZOJAB" (expires Wed, Sep 09, 2015 15:30 PST). Visit https://docs.fortinet.com/document/fortitoken/latest/fortitoken-mobile-user-guide/682454/installing-... for more info.' Example of modified message on reducing character: 'Hello john, your FortiToken Mobile FTK2000612345ABC activation code is "7AVK3BUGQTMZOJAB" (expires Wed, Sep 09, 2015 15:30 PST).'