Control File: invalid dependency list

A list of dependencies is a package name, optioanlly followed by a version and architecture information. Each entry is separated by exactly one comma. If anything else appears in the list, this error is generated.

Check all your dependencies and make sure they all are well defined.

VALIDDepends: boost (>> 1.3.2), gtk (<< 3.0), libtld (4:2.3)
INVALIDDepends: boost >> 1.3.2), gtk (<< 3.0, libtld (4:2.3}