Hi all, could not figure out how to re-open a thread with unresolved problem is there a solution to this one? [image] Nodes cannot be created! Community Extensions Hi, I have installed Vernalis extension but when I start KNIME these error messages appear in console: ERROR RepositoryManager Node 'com.vernalis.knime.mmp.nodes.pairgen.frag2pair.ReferenceFrag2Pair3NodeFactory' from plugin 'com.vernalis.knime.chem.mmp' could not be created. The corresponding plugin bundle could not be activated! ERROR RepositoryManager Node 'com.vernalis.knime.mmp.nodes.fragutil.render.rdkit.RDKitMMPRenderMatchingBondsNodeFactory' from plugin 'com.… I have an Ubuntu Linux and newest version of KNIME, but still cannot install RDKit and other nodes. always get: *** Welcome to KNIME Analytics Platform v5.1.0.v202307121410 *** *** Copyright by KNIME AG, Zurich, Switzerland *** Log file is located at: ERROR NodeRepository Node ‘com.vernalis.knime.mmp.nodes.loop.CutTypeLoopStartNodeFactory’ from plugin ‘com.vernalis.knime.chem.mmp’ could not be created. The corresponding plugin bundle could not be activated! ERROR NodeRepository Node ‘com.vernalis.knime.mmp.nodes.uniquifyids.UniquifyIdsNodeFactory’ from plugin ‘com.vernalis.knime.chem.mmp’ could not be created. The corresponding plugin bundle could not be activated! ERROR NodeRepository Node ‘com.vernalis.knime.mmp.nodes.fragutil.maxcuts.rdkit.RDKitMMPMaxCutsNodeFactory’ from plugin ‘com.vernalis.knime.chem.mmp’ could not be created. The corresponding plugin bundle could not be activated! ERROR NodeRepository Node ‘com.vernalis.knime.mmp.nodes.fragutil.filter.rdkit.RDKitMMPFilterNodeFactory’ from plugin ‘com.vernalis.knime.chem.mmp’ could not be created. The corresponding plugin bundle could not be activated! ERROR NodeRepository Node ‘com.vernalis.knime.mmp.nodes.fragutil.filter.rdkit.RDKitMMPSplitterNodeFactory’ from plugin ‘com.vernalis.knime.chem.mmp’ could not be created. The corresponding plugin bundle could not be activated!

Hi @steffen_KNIME , thanks for the update. It did not work with doing an in-place update of 5.1.0 to 5.1.1, however, doing a fresh installation of 5.1.1 works. :slight_smile: Looks all fine now, i.e. none of the mentioned error messages and all the nodes can be used. best regards, Jan