NPE when transaction.getWitnessSet().getPlutusV1Scripts() is null

[satran004]

Caused by: java.lang.NullPointerException: Cannot invoke "java.util.Collection.toArray()" because "c" is null
at java.base/java.util.ArrayList.addAll(ArrayList.java:670)
at com.bloxbean.cardano.aiken.tx.evaluator.TxEvaluator.evaluateTx(TxEvaluator.java:111)