Error "terminate called after throwing an instance of 'YAML::InvalidNode'" raised in marian-decoder 1.11.0

[TingxunShi]

Bug description

Run marian-decoder and pass in a model trained by 1.10.0, it raises the following error:

> head text | marian-1.11.0/build/marian-decoder --models model.npz.best-bleu.npz --vocabs vocab.src.yaml vocab.tgt.yaml --normalize 0.4 

terminate called after throwing an instance of 'YAML::InvalidNode'
  what():  invalid node; this may result from using a map iterator as a sequence iterator, or vice-versa
Aborted

The same command succeeded in 1.10.0.

Context

• Marian version: Paste the output of --version here
  v1.11.0 f00d062 2022-02-08 08:39:24 -0800

• CMake command: Type the cmake command you used and attach the output of --build-info all

cmake .. -DUSE_SENTENCEPIECE=off \
    -DCOMPILE_CPU=off \
    -DUSE_CUDNN=on \
    -DUSE_ONNX=off \
    -DPROTOBUF_LIBRARY=/usr/local/lib/libprotobuf.so \
    -DPROTOBUF_INCLUDE_DIR=/usr/local/include/google/protobuf \
    -DPROTOBUF_PROTOC_EXECUTABLE=/usr/local/bin/protoc

• Log file: Attach your training/decoding logs

Add any other information about the problem here.

[Jaume Zaragoza]

Faced the same issue. It's solved in marian dev with this commit. Also compiling with -DCOMPILE_CPU=on avoids the issue.

[TingxunShi]

Faced the same issue. It's solved in marian dev with this commit. Also compiling with -DCOMPILE_CPU=on avoids the issue.

Thanks, it works!