JOSM program crash while inserting relation

[soemisch]

What steps will reproduce the problem?

1. fill dialogue to insert a relation
2. copy and paste STRG+C; STRG+V an object while opened dialogue
3. program and computer need a restart

What is the expected result?

no opportunity to copy and paste while opened dialogue

What happens instead?

bubble with explainig text

Please provide any additional information below. Attach a screenshot if possible.

Relative:URL: ^/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2021-03-17 18:58:40 +0100 (Wed, 17 Mar 2021)
Revision:17580
Build-Date:2021-03-17 17:59:56
URL:https://josm.openstreetmap.de/svn/trunk

Identification: JOSM/1.5 (17580 de) Windows 10 64-Bit
OS Build number: Windows 10 Pro 2004 (19041)
Memory Usage: 400 MB / 65536 MB (161 MB allocated, but free)
Java version: 12.0.1+12, Oracle Corporation, OpenJDK 64-Bit Server VM
Look and Feel: com.sun.java.swing.plaf.windows.WindowsLookAndFeel
Screen: \Display0 3840×2160 (scaling 1,50×1,50) \Display1 3840×2160 (scaling 1,50×1,50)
Maximum Screen Size: 3840×2160
Best cursor sizes: 16×16→48×48, 32×32→48×48
Dataset consistency test: No problems found

Plugins:
+ AddrInterpolation (35640)
+ PicLayer (2a9aa7a)
+ apache-commons (35524)
+ buildings_tools (35669)
+ ejml (35458)
+ geotools (35458)
+ imagery_offset_db (35640)
+ jts (35458)
+ log4j (35458)
+ measurement (35640)
+ public_transport (35640)
+ reverter (35688)
+ turnrestrictions (35640)
+ utilsplugin2 (35691)

[skyper]

Replying to soemisch:

What steps will reproduce the problem?

1. fill dialogue to insert a relation

Sorry, I do not understand about which dialog you are talking about and how you get to this dialog. Do you talk about Help/Dialog/RelationEditor? Do you open it through presets by creating a new relation? Could you please, try to explain it with a bit more details, thanks.

Revision:17580
…
Java version: 12.0.1+12, Oracle Corporation, OpenJDK 64-Bit Server VM

You might want to update JOSM and is your java version a stable release and up to date?