Error in division by zero case

[APotyomkin]

Problematic code:

[x] > foo
  div. > a
    5
    x
  a > @

Error logs:

No errors
Exception in thread "main" java.io.FileNotFoundException: sandbox\a.eo (Не удается найти указанный файл)
        at java.base/java.io.FileInputStream.open0(Native Method)
        at java.base/java.io.FileInputStream.open(FileInputStream.java:211)
        at java.base/java.io.FileInputStream.<init>(FileInputStream.java:153)
        at org.cactoos.io.InputOf.lambda$new$2(InputOf.java:76)
        at org.cactoos.io.InputOf.stream(InputOf.java:310)
        at org.cactoos.io.TeeInput.stream(TeeInput.java:867)
        at org.cactoos.io.InputAsBytes.asBytes(InputAsBytes.java:77)
        at org.cactoos.io.BytesOf.asBytes(BytesOf.java:341)
        at org.cactoos.text.TextOf.lambda$new$0(TextOf.java:297)
        at org.cactoos.scalar.Checked.value(Checked.java:76)
        at org.cactoos.scalar.IoChecked.value(IoChecked.java:63)
        at org.cactoos.text.TextEnvelope.asString(TextEnvelope.java:65)
        at org.eolang.parser.Syntax.parse(Syntax.java:87)
        at org.polystat.Program.apply(Program.java:82)
        at org.polystat.Program.apply(Program.java:50)
        at org.polystat.odin.OdinAnalysis.resolveObjectHierarchy(OdinAnalysis.java:109)
        at org.polystat.odin.OdinAnalysis.getObjectsHierarchy(OdinAnalysis.java:87)
        at org.polystat.odin.OdinAnalysis.errors(OdinAnalysis.java:60)
        at org.polystat.Polystat.exec(Polystat.java:96)
        at org.polystat.Polystat.main(Polystat.java:74)