error messages in x12 procedure

[student2011]

Hi,

When I used the x12 procedure in Eviews 6 to seasonally adjust some quarterly macroeconomic series (e.g. industrial production index), there's always several lines appearing in the top of the output, e.g.
"
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
Error/Warning Messages for sliding span # 1:
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
Error/Warning Messages for sliding span # 2:
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
Error/Warning Messages for sliding span # 3:
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
Error/Warning Messages for sliding span # 4:
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*- "

The option I made in running the x12 procedure is
"method - multiplicative, seasonal filter- auto(X12 default), trend filter - auto(x12 default)
data transformation - auto(log or none), regressors - constant,
specification from file (d:\eviews6\x12a.txt), select best, trading day effect - adjust in x11 step, apply only if significant, flow weekday-weekend/leap year effect
diagnostics - sliding spans, outlier detection".

I checked the detailed output, the relevant part is
"Summary of tests for stable and moving seasonality from table D8 for each span

Span 1 Span 2 Span 3 Span 4
Stable seasonality 533.21 345.44 226.67 102.66

Moving seasonality 0.73 0.51 0.89 0.20

m7 0.09 0.11 0.15 0.19

Identifiable seasonality? yes yes yes yes


yes = Identifiable seasonality probably present
??? = Identifiable seasonality probably not present
no = Identifiable seasonality not present

It appears that there's nothing wrong with it. So does the top few lines automatically appear as part of the output in all cases and it doesn't necessarily indicate there's errors in running this procedure?
Michell