ERROR... Execute failed:... (Too many open files)

I tried a solution I found here: Continental nodes invisible - #12 by izaychik63 where I started Knime with -clean option in the .ini file. This solved the latency in the workflow, but now I’m getting this error for multiple node including Binary Objects to Strings, XPath, & GroupBy:

failed to apply settings: com/google/common/collect/HashBiMap$KeySet

I tried to run a pre-existing metanode, and I got the following errors:

Blockquote
ERROR LoadWorkflowRunnable Errors during load: Status: DataLoadError: 3C_10_R10_JD 5 loaded with error during data load
ERROR LoadWorkflowRunnable Status: DataLoadError: 3C_10_R10_JD 5
ERROR LoadWorkflowRunnable Status: Warning: Super Robust HTTP Retriever - Multi URL 5:1839
ERROR LoadWorkflowRunnable Status: Warning: Column Selection Configuration 5:1839:0:1648
ERROR LoadWorkflowRunnable Status: Warning: State has changed from CONFIGURED to IDLE
ERROR LoadWorkflowRunnable Status: Warning: Column Selection Configuration 5:1839:0:604
ERROR LoadWorkflowRunnable Status: Warning: State has changed from CONFIGURED to IDLE
ERROR LoadWorkflowRunnable Status: Error: Generic Price Formatting 5:1681
ERROR LoadWorkflowRunnable Status: Error: Column List Loop Start 5:1681:827
ERROR LoadWorkflowRunnable Status: Error: Loading model settings failed: Config for key “column-filter” not found.
ERROR LoadWorkflowRunnable Status: Warning: State has changed from CONFIGURED to IDLE
ERROR LoadWorkflowRunnable Status: Warning: State has changed from CONFIGURED to IDLE
ERROR LoadWorkflowRunnable Status: DataLoadError: Generic Price Formatting 5:1947
ERROR LoadWorkflowRunnable Status: Error: Column List Loop Start 5:1947:827
ERROR LoadWorkflowRunnable Status: Error: Loading model settings failed: Config for key “column-filter” not found.
ERROR LoadWorkflowRunnable Status: Warning: State has changed from CONFIGURED to IDLE
ERROR LoadWorkflowRunnable Status: DataLoadError: Column Rename (Regex) 5:1947:829
ERROR LoadWorkflowRunnable Status: DataLoadError: Unable to load port content for node “Column Rename (Regex)”: No BufferedDataTable with ID 19824693
ERROR LoadWorkflowRunnable Status: DataLoadError: Regex Split 5:1947:824
ERROR LoadWorkflowRunnable Status: DataLoadError: Unable to load port content for node “Regex Split”: No BufferedDataTable with ID 19824694
ERROR LoadWorkflowRunnable Status: DataLoadError: String Manipulation 5:1947:830
ERROR LoadWorkflowRunnable Status: DataLoadError: Unable to load port content for node “String Manipulation”: No BufferedDataTable with ID 19824695
ERROR LoadWorkflowRunnable Status: DataLoadError: String To Number 5:1947:831
ERROR LoadWorkflowRunnable Status: DataLoadError: Unable to load port content for node “String To Number”: No BufferedDataTable with ID 19824696
ERROR LoadWorkflowRunnable Status: DataLoadError: State has changed from CONFIGURED to IDLE
ERROR LoadWorkflowRunnable Status: DataLoadError: Generic Price Formatting 5:1948
ERROR LoadWorkflowRunnable Status: Error: Column List Loop Start 5:1948:827
ERROR LoadWorkflowRunnable Status: Error: Loading model settings failed: Config for key “column-filter” not found.
ERROR LoadWorkflowRunnable Status: Warning: State has changed from CONFIGURED to IDLE
ERROR LoadWorkflowRunnable Status: DataLoadError: Column Rename (Regex) 5:1948:829
ERROR LoadWorkflowRunnable Status: DataLoadError: Unable to load port content for node “Column Rename (Regex)”: No BufferedDataTable with ID 19824708
ERROR LoadWorkflowRunnable Status: DataLoadError: Regex Split 5:1948:824
ERROR LoadWorkflowRunnable Status: DataLoadError: Unable to load port content for node “Regex Split”: No BufferedDataTable with ID 19824709
ERROR LoadWorkflowRunnable Status: DataLoadError: String Manipulation 5:1948:830
ERROR LoadWorkflowRunnable Status: DataLoadError: Unable to load port content for node “String Manipulation”: No BufferedDataTable with ID 19824710
ERROR LoadWorkflowRunnable Status: DataLoadError: String To Number 5:1948:831
ERROR LoadWorkflowRunnable Status: DataLoadError: Unable to load port content for node “String To Number”: No BufferedDataTable with ID 19824711
ERROR LoadWorkflowRunnable Status: DataLoadError: State has changed from CONFIGURED to IDLE
ERROR LoadWorkflowRunnable Status: DataLoadError: State has changed from CONFIGURED to IDLE
ERROR Column Filter 5:1946 failed to apply settings: com/google/common/collect/HashBiMap$KeySet