Indexing And Update Stats Script

I am having the following errors with the script below

Msg 102, Level 15, State 1, Line 44
Incorrect syntax near '?'.
Msg 319, Level 15, State 1, Line 47

Incorrect syntax near the keyword 'with'. If this statement is a common table expression, an xmlnamespaces clause or a change tracking context clause, the previous statement must be terminated with a semicolon. it also does not seem to loop around each db

DECLARE @commandNVARCHAR(MAX)
CREATE TABLE #worktable
(
[Database]SYSNAME
,SchemaNameSYSNAME
,ObjectNameSYSNAME
,StatsNameSYSNAME
,ColNameSYSNAME

[code]....