id summary reporter owner description type status milestone component version severity resolution keywords cc 12107 Missing header file in /odeint/integrate/integrate_n_steps.hpp matthias.frey@… karsten "Dear BOOST developers I have a big library that also uses BOOST. When compiling, I get the following error message: ""../include/boost/numeric/odeint/integrate/integrate_n_steps.hpp:50:17: error: ‘checked_stepper’ was not declared in this scope checked_stepper(stepper, checker),"" By adding the line #include in include/boost/numeric/odeint/integrate/integrate_n_steps.hpp it works. " Bugs closed To Be Determined odeint Boost 1.60.0 Problem fixed check_adapter Missing header file