TypeError Cannot read properties of null (reading 're')

[jagadeesh-r1]

Description

I'm trying to generate svg from the graph given below

 %%{init: {"flowchart": {"defaultRenderer": "elk"}} }%%
 flowchart TB;
  A["<p>glucagon-like peptide-1 (GLP-1) receptor agonist added to continued metformin + continued cardiovascular
 risk reduction/lifestyle measures
 <br>
    <span style='font-size:70%;text-align:left;'>     treatment type: <br>
    treatment line: 1<br>
    sequence: 12<span><p>"]
       subgraph bmj:actionList_3cRW1LOcpHPPs30QLinmo2[all]
        bmj:actionList_4ovQYqfAbVlVEKFOzcb89q["GLUCAGON-LIKE PEPTIDE-1 (GLP-1) RECEPTOR AGONIST<span
 style='font-size:90%;text-align:left;'>= 416171004&nbsp;&nbsp;</span>"]

          bmj:actionList_3XkKyUXDeistqn3yXoSlJI["METFORMIN<span style='font-size:90%;text-align:left;'>=
 372567009&nbsp;&nbsp;</span>"]

          bmj:actionList_9GWiaRROwnPGxylT3jKcl["CARDIOVASCULAR RISK REDUCTION<span style='font
size:90%;text-align:left;'>^ 827181004&nbsp;&nbsp;</span>"]

          bmj:actionList_5G0BcN9LzEbJ2nzTrSYIkk["LIFESTYLE MEASURES<span style='font-size:90%;text
align:left;'>^ 313204009&nbsp;&nbsp;</span>"]

         end
       A -- actionClass --> bmj:actionList_3cRW1LOcpHPPs30QLinmo2
       subgraph action[exactly-one]
            subgraph actionx1["<p style='font-size:70%;text-align:left;'>selection: all </p>"]
        direction LR
             subgraph actionx1comp[all]
     subgraph actionx1comp1[exactly-one]
   end
      subgraph actionx1comp2[exactly-one]
    bmj:treatmentComponent_2g9BOkmbShfJrrIcrLmHIt["metformin<span style='font-size:90%;text-align:left;'>=
 372567009&nbsp;&nbsp;</span>"]
           bmj:actionList_3cRW1LOcpHPPs30QLinmo2-- hasClassMember --- bmj:treatmentComponent_
 2g9BOkmbShfJrrIcrLmHIt

      bmj:treatmentComponent_T5ha3mcioElb0ZKZUj3pf["liraglutide<span style='font-size:90%;text-align:left;'>=
 444828003&nbsp;&nbsp;</span>"]
           bmj:actionList_4ovQYqfAbVlVEKFOzcb89q-- hasClassMember --- bmj:treatmentComponent_
 T5ha3mcioElb0ZKZUj3pf

      bmj:treatmentComponent_2U0iqCKrVIwfeSVVuiaEmc["dulaglutide<span style='font-size:90%;text-align:left;'>=
 714080005&nbsp;&nbsp;</span>"]
           bmj:actionList_4ovQYqfAbVlVEKFOzcb89q-- hasClassMember --- bmj:treatmentComponent_
 2U0iqCKrVIwfeSVVuiaEmc

      bmj:treatmentComponent_1F1O3hkN2pyN1VRi7XA7gB["semaglutide<span style='font-size:90%;text
align:left;'>= 764283003&nbsp;&nbsp;</span>"]
           bmj:actionList_4ovQYqfAbVlVEKFOzcb89q-- hasClassMember --- bmj:treatmentComponent_
 1F1O3hkN2pyN1VRi7XA7gB

      bmj:treatmentComponent_YR3m4gyl9OSU76BGkvX68["exenatide<span style='font-size:90%;text-align:left;'>=
 416859008&nbsp;&nbsp;</span>"]
           bmj:actionList_4ovQYqfAbVlVEKFOzcb89q-- hasClassMember --- bmj:treatmentComponent_
 YR3m4gyl9OSU76BGkvX68

      bmj:treatmentComponent_6XywOSd7dwZ3Q3zIEvXuer["lixisenatide<span style='font-size:90%;text
align:left;'>= 708808004&nbsp;&nbsp;</span>"]
           bmj:actionList_4ovQYqfAbVlVEKFOzcb89q-- hasClassMember --- bmj:treatmentComponent_
 6XywOSd7dwZ3Q3zIEvXuer

     end
  end
   end
         end

       subgraph indication[or ]
          direction TB
                 subgraph bmj:factorList_7Xv5A5J2oIjzwGACTeLefj[or ]
             direction LR
                      bmj:factorList_3zpg9byNZoYtAsVm7zcM91["
 established atherosclerotic cardiovascular disease
 <span style='color:green'  class='fa-solid fa-check'></span> 
established atherosclerotic cardiovascular disease
 &nbsp;<span style='font-size:90%;text-align:left;'>= 28960008&nbsp;&nbsp;</span>"]     

 
 
 
 
 
                      bmj:factorList_48qQC1LQbJen4RXiI4nCSQ["
 indicators of high cardiovascular risk
 <span style='color:green'  class='fa-solid fa-check'></span> 
indicators of high cardiovascular risk
 &nbsp;<span style='font-size:90%;text-align:left;'>^ 16434071000119108&nbsp;&nbsp;</span>"]     

 
 
 
 
 
                      bmj:factorList_6f4LWvnNvfRi9U7WLm5tm1["
 established kidney disease
 <span style='color:green'  class='fa-solid fa-check'></span> 
established kidney disease
 &nbsp;<span style='font-size:90%;text-align:left;'>= 90708001&nbsp;&nbsp;</span>"]     

 
 
 
 
 
                      bmj:factorList_4oPTA0cenASdvnMNEONp6e["
 heart failure
 <span style='color:green'  class='fa-solid fa-check'></span> 
heart failure
 &nbsp;<span style='font-size:90%;text-align:left;'>= 84114007&nbsp;&nbsp;</span>"]     

 
 
 
 
 
          end
                 subgraph bmj:factorList_5OtJ4dGE5HlJ9qqjZtUBeC[and ]
             direction LR
                       subgraph bmj:factorList_5vUvHv6qIcBJeUb8sYzh0M[and ]
                direction TB
                             subgraph bmj:factorList_3EZT1kR2f1SdRE1K4VN7JQ[and ]
                   direction LR
                                   subgraph bmj:factorList_1VtttHEiLpSdKbFJ1cdEeJ[and ]
                      direction TB
                                        bmj:factorList_swWX7Gpi3gE3zkMMDBmNI["
 marked hyperglycemia
 <span style='color:red' class='fa-solid fa-xmark'></span> 
marked hyperglycemia
 &nbsp;<span style='font-size:90%;text-align:left;'>= 80394007&nbsp;&nbsp;</span>"]     

 
 
 
 
 
                                        bmj:factorList_VD4V2NuHQdFtPFirdb8ev["
 pregnant
 <span style='color:red' class='fa-solid fa-xmark'></span> 
pregnant
 &nbsp;<span style='font-size:90%;text-align:left;'>= 255409004&nbsp;&nbsp;</span>"]     

 
 
 
 
 
                                        bmj:factorList_30hxGABMryANYrD9H6p6z5["
 asymptomatic
 <span style='color:green'  class='fa-solid fa-check'></span> 
asymptomatic
 &nbsp;<span style='font-size:90%;text-align:left;'>= 84387000&nbsp;&nbsp;</span>"]     

 
 
 
 
 
                        

 
 
 
 
 
                        

 
 
 
 
 
                   end
                                   subgraph bmj:factorList_4ySk9t01lLtcz83BE36LTo[or ]
                      direction TB
                                        bmj:factorList_2uD2qOE26fG84Updat5EAk["
 serum glucose level
 <span style='color:green'  class='fa-solid fa-check'></span> 
serum glucose level
 &nbsp;<span style='font-size:90%;text-align:left;'>^ 166922008&nbsp;&nbsp;</span>"]     

 
 
 
 
 
                                        bmj:factorList_3627dDcNs1G7HhFVIddYEI["
 Haemoglobin A1c level
 <span style='color:green'  class='fa-solid fa-check'></span> 
Haemoglobin A1c level
 &nbsp;<span style='font-size:90%;text-align:left;'>^ 444751005&nbsp;&nbsp;</span>"]     

 
 
 
 
 
                        

 
 
 
 
 
                        

 
 
 
 
 
                   end
                     

 
 
 
 
 
                end
                            bmj:factor_1T85RpGpWMh4n8ZjcxUqni["
 HbA1c above goal on metformin
 <span style='color:green'  class='fa-solid fa-check'></span> 
HbA1c above goal on metformin
 &nbsp;<span style='font-size:90%;text-align:left;'>^ 444751005&nbsp;&nbsp;</span>"]     

 
 
 
 
 
             end
                       subgraph bmj:factorList_38glRxZ2ZhOLrHQDPmzR5i[and ]
                direction TB
                            bmj:factorList_6oGMmxJFRPKQ7bxAfz6Tyr["
 Type 2 diabetes mellitus
 <span style='color:green'  class='fa-solid fa-check'></span> 
Type 2 diabetes mellitus
 &nbsp;<span style='font-size:90%;text-align:left;'>= 44054006&nbsp;&nbsp;</span>"]     

 
 
 
 
 
                            bmj:factorList_2Db37EI2KLZGqreVs7KFET["
 adult
 <span style='color:green'  class='fa-solid fa-check'></span> 
adult
 &nbsp;<span style='font-size:90%;text-align:left;'>= 133936004&nbsp;&nbsp;</span>"]     

 
 
 
 
 
             end
          end
       end
  indication ---> |has treatment option| A 
  classDef detailsClass font-size:10pt,text-align:left;

Steps to reproduce

env details:
installed mermaid through

npm install -g @mermaid-js/mermaid-cli

node : v16.20.2

1. save the graph in a txt file.
2. run the command

mmdc -i txt_file -o svg_file

Screenshots

Code Sample

No response

Setup

• Mermaid version: 20.18.0
• Browser and Version: [Chrome, Edge, Firefox]

Suggested Solutions

No response

Additional Context

No response

[jagadeesh-r1]

But i'm able to get svg from online live mermaid editors without any errors.