Because error report send failed,

so I post to here.

It's when I paste some links, however, I can't re-create the error

Message:
    java.lang.NullPointerException
Level:
    SEVERE
Stack Trace:
null
    com.objectdb.o.TYW.(TYW.java:102)
    com.objectdb.o.ENH.d(ENH.java:224)
    com.objectdb.o.ENT.Z(ENT.java:891)
    com.objectdb.o.LDR.K(LDR.java:840)
    com.objectdb.o.LDR.J(LDR.java:804)
    com.objectdb.o.LDR.U1(LDR.java:1027)
    com.objectdb.o.MST.aV(MST.java:522)
    com.objectdb.o.MST.aU(MST.java:448)
    com.objectdb.o.MST.U8(MST.java:421)
    com.objectdb.o.WRA.U8(WRA.java:266)
    com.objectdb.o.LDR.F(LDR.java:536)
    com.objectdb.o.LDR.E(LDR.java:470)
    com.objectdb.o.OBC.UO(OBC.java:1080)
    com.objectdb.o.OBC.aL(OBC.java:766)
    com.objectdb.o.ENT.beforeAccess(ENT.java:1116)
    cz.vity.freerapid.model.DownloadFile.__odbGet_fileUrl(DownloadFile.java:1)
    cz.vity.freerapid.model.DownloadFile.toString(DownloadFile.java:229)
    java.lang.String.valueOf(Unknown Source)
    java.lang.StringBuilder.append(Unknown Source)
    cz.vity.freerapid.gui.managers.ProcessManager.execute(ProcessManager.java:163)
    cz.vity.freerapid.gui.managers.ProcessManager.run(ProcessManager.java:98)