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Subject: [Caml-list] OPAM ppx_tools problem?

I am getting these error messages in opam 1.1.1 when doing 'opam update':

[WARNING] Errors while parsing ppx_tools.0.1 OPAM file, skipping.
[WARNING] Errors while parsing ppx_tools.0.99 OPAM file, skipping.
[WARNING] Errors while parsing ppx_tools.0.99.1 OPAM file, skipping.
[WARNING] Errors while parsing ppx_tools.0.99.2 OPAM file, skipping.
Updating the cache of metadata (/opt/opam/state.cache) ...
[WARNING] External solver failed with inconsistent return value. Request saved to 
"/opt/opam/log/solver-error-2458-1.cudf"
Falling back to the internal heuristic.

Is it a local problem, or do others see this also?

I did not have problems with opam lately - on the contrary, everything was working 
just fine.

/Str.